Alright, let's work through 3642 times 1739 step by step
3642 × 1739 = 1739 × (3642)
+ 1739 × 2 that equals 3478
+ 1739 × 40 which equals 69560
+ 1739 × 600 that equals 1043400
+ 1739 × 3000 yielding 5217000

= 6333438
