Alright, let's work through 72917011 times 47397439 step by step
72917011 × 47397439 = 47397439 × (72917011)
+ 47397439 × 1 producing 47397439
+ 47397439 × 10 giving us 473974390
+ 47397439 × 000 that equals 0
+ 47397439 × 7000 which equals 331782073000
+ 47397439 × 10000 that results in 473974390000
+ 47397439 × 900000 that equals 42657695100000
+ 47397439 × 2000000 which equals 94794878000000
+ 47397439 × 70000000 giving us 3317820730000000

= 3456079580934829
