70648 ÷ 4 = 17662 R0
Alright, let's work through the division of 70648 by 4 step by step.

Step 1:
4 goes into 7 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 4 from 7 to get 3.
Bring next digit (0) of the dividend behind the 3 and repeat the process: 30 / 4

Step 2:
4 goes into 30 7 times with a remainder of 2.
Write down 7 as next digit of of the result. 
Result so far: 17
Subtract 28 from 30 to get 2.
Bring next digit (6) of the dividend behind the 2 and repeat the process: 26 / 4

Step 3:
4 goes into 26 6 times with a remainder of 2.
Write down 6 as next digit of of the result. 
Result so far: 176
Subtract 24 from 26 to get 2.
Bring next digit (4) of the dividend behind the 2 and repeat the process: 24 / 4

Step 4:
4 goes into 24 6 times with a remainder of 0.
Write down 6 as next digit of of the result. 
Result so far: 1766
Subtract 24 from 24 to get 0.
Bring next digit (8) of the dividend behind the 0 and repeat the process: 8 / 4

Step 5:
4 goes into 8 2 times with a remainder of 0.
Write down 2 as next digit of of the result. 
Result so far: 17662
Subtract 8 from 8 to get 0.

The final result is 17662 with a remainder of 0.