Alright, let's work through 73090001 times 74921787 step by step
73090001 × 74921787 = 74921787 × (73090001)
+ 74921787 × 1 that results in 74921787
+ 74921787 × 00 that is equal 0
+ 74921787 × 000 giving us 0
+ 74921787 × 0000 yielding 0
+ 74921787 × 90000 giving us 6742960830000
+ 74921787 × 000000 that equals 0
+ 74921787 × 3000000 that results in 224765361000000
+ 74921787 × 70000000 that equals 5244525090000000

= 5476033486751787
