Alright, let's work through 42072877 times 72609716 step by step
42072877 × 72609716 = 72609716 × (42072877)
+ 72609716 × 7 which equals 508268012
+ 72609716 × 70 that results in 5082680120
+ 72609716 × 800 that results in 58087772800
+ 72609716 × 2000 producing 145219432000
+ 72609716 × 70000 which equals 5082680120000
+ 72609716 × 000000 that equals 0
+ 72609716 × 2000000 resulting in 145219432000000
+ 72609716 × 40000000 that results in 2904388640000000

= 3054899650272932
