Alright, let's work through 72736597 times 40068423 step by step
72736597 × 40068423 = 40068423 × (72736597)
+ 40068423 × 7 producing 280478961
+ 40068423 × 90 resulting in 3606158070
+ 40068423 × 500 resulting in 20034211500
+ 40068423 × 6000 resulting in 240410538000
+ 40068423 × 30000 that is equal 1202052690000
+ 40068423 × 700000 resulting in 28047896100000
+ 40068423 × 2000000 resulting in 80136846000000
+ 40068423 × 70000000 that results in 2804789610000000

= 2914440736176531
