Alright, let's work through 72738279 times 47034409 step by step
72738279 × 47034409 = 47034409 × (72738279)
+ 47034409 × 9 yielding 423309681
+ 47034409 × 70 resulting in 3292408630
+ 47034409 × 200 resulting in 9406881800
+ 47034409 × 8000 yielding 376275272000
+ 47034409 × 30000 producing 1411032270000
+ 47034409 × 700000 that results in 32924086300000
+ 47034409 × 2000000 that equals 94068818000000
+ 47034409 × 70000000 resulting in 3292408630000000

= 3421201964442111
