Alright, let's work through 72886092 times 8709537 step by step
72886092 × 8709537 = 8709537 × (72886092)
+ 8709537 × 2 that equals 17419074
+ 8709537 × 90 that equals 783858330
+ 8709537 × 000 yielding 0
+ 8709537 × 6000 that is equal 52257222000
+ 8709537 × 80000 that equals 696762960000
+ 8709537 × 800000 what gives us 6967629600000
+ 8709537 × 2000000 that is equal 17419074000000
+ 8709537 × 70000000 that results in 609667590000000

= 634804115059404
