Alright, let's work through 73281690 times 74718143 step by step
73281690 × 74718143 = 74718143 × (73281690)
+ 74718143 × 0 resulting in 0
+ 74718143 × 90 which equals 6724632870
+ 74718143 × 600 giving us 44830885800
+ 74718143 × 1000 yielding 74718143000
+ 74718143 × 80000 which equals 5977451440000
+ 74718143 × 200000 producing 14943628600000
+ 74718143 × 3000000 that equals 224154429000000
+ 74718143 × 70000000 that results in 5230270010000000

= 5475471792701670
