33972164 ÷ 7 
The aim is to understand the frequency of 7 in 33972164.

Advancing to step 1:
If we divide 3 by 7, we get 0 and a remainder of 3.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 3, we get 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 7

Let's proceed to step 2:
If we divide 33 by 7, we get 4 and a remainder of 5.
The number 4 becomes the next digit in our result. 
Result so far: 4.0
Subtracting 28 from 33 leaves us with 5.
Include the next digit (9) from the dividend after 5, then repeat: 59 / 7

Step 3:
When dividing 59 by 7, we get 8 with a remainder of 3.
The next digit of our result is 8. 
Result so far: 48.0
Subtracting 56 from 59 leaves us with 3.
Include the next digit (7) from the dividend after 3, then repeat: 37 / 7

Advancing to step 4:
7 goes into 37 5 times with a remainder of 2.
Put 5 as the next digit of the answer. 
Result so far: 485.0
Subtract 35 from 37 to get 2.
Take the next digit (2) from the dividend and append it to 2, then repeat: 22 / 7

Advancing to step 5:
7 can be fit into 22 3 times, resulting in a remainder of 1.
Record the quotient 3 as the next digit in the result. 
Result so far: 4853.0
If we take 21 away from 22, we end up with 1.
Take the next digit (1) from the dividend and append it to 1, then repeat: 11 / 7

Let's proceed to step 6:
When dividing 11 by 7, we get 1 with a remainder of 4.
The next digit of our result is 1. 
Result so far: 48531.0
If we take 7 away from 11, we end up with 4.
Append the next digit (6) from the dividend to 4 and continue with: 46 / 7

On to step 7:
7 can be fit into 46 6 times, resulting in a remainder of 4.
The next digit of our result is 6. 
Result so far: 485316.0
If we take 42 away from 46, we end up with 4.
Bring next digit (4) of the dividend behind the 4 and repeat the process: 44 / 7

On to step 8:
The number 7 fits into 44 6 times, leaving a remainder of 2.
Put 6 as the next digit of the answer. 
Result so far: 4853166.0
Subtracting 42 from 44 leaves us with 2.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

On to step 9:
7 can be fit into 20 2 times, resulting in a remainder of 6.
Put 2 as the next digit of the answer. 
Result so far: 4853166.2
Deduct 14 from 20 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Let's proceed to step 10:
7 goes into 60 8 times with a remainder of 4.
Put 8 as the next digit of the answer. 
Result so far: 4853166.28
Deduct 56 from 60 and we're left with 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

On to step 11:
If we divide 40 by 7, we get 5 and a remainder of 5.
The next digit of our result is 5. 
Result so far: 4853166.285
If we take 35 away from 40, we end up with 5.
Since there are no more digits in the dividend, we add a zero to the remainder making it 50, and continue the process.

Going ahead to step 12:
7 goes into 50 7 times with a remainder of 1.
Write down 7 as next digit of the result. 
Result so far: 4853166.2857
The remainder is 1 after subtracting 49 from 50.
Since there are no more digits in the dividend, we add a zero to the remainder making it 10, and continue the process.

Moving on to step 13:
The number 7 fits into 10 1 times, leaving a remainder of 3.
The number 1 becomes the next digit in our result. 
Result so far: 4853166.28571
If we subtract 7 from 10, we get 3.
Since there are no more digits in the dividend, we add a zero to the remainder making it 30, and continue the process.

Advancing to step 14:
If we divide 30 by 7, we get 4 and a remainder of 2.
Write down 4 as next digit of the result. 
Result so far: 4853166.285714
The remainder is 2 after subtracting 28 from 30.
Since there are no more digits in the dividend, we add a zero to the remainder making it 20, and continue the process.

Step 15:
7 can be fit into 20 2 times, resulting in a remainder of 6.
Record the quotient 2 as the next digit in the result. 
Result so far: 4853166.2857142
Deduct 14 from 20 and we're left with 6.
Since there are no more digits in the dividend, we add a zero to the remainder making it 60, and continue the process.

Moving on to step 16:
If we divide 60 by 7, we get 8 and a remainder of 4.
Write down 8 as next digit of the result. 
Result so far: 4853166.28571428
If we subtract 56 from 60, we get 4.
Since there are no more digits in the dividend, we add a zero to the remainder making it 40, and continue the process.

Our division results in 4853166.28571428 with a remaining 4e-09.