Alright, let's work through 74042597 times 39406509 step by step
74042597 × 39406509 = 39406509 × (74042597)
+ 39406509 × 7 resulting in 275845563
+ 39406509 × 90 what gives us 3546585810
+ 39406509 × 500 resulting in 19703254500
+ 39406509 × 2000 that is equal 78813018000
+ 39406509 × 40000 giving us 1576260360000
+ 39406509 × 000000 yielding 0
+ 39406509 × 4000000 what gives us 157626036000000
+ 39406509 × 70000000 giving us 2758455630000000

= 2917760265063873
