The number 3,746,800 can be evenly divided by 1 2 4 5 8 10 16 17 19 20 25 29 34 38 40 50 58 68 76 80 85 95 100 116 136 145 152 170 190 200 232 272 290 304 323 340 380 400 425 464 475 493 551 580 646 680 725 760 850 950 986 1,102 1,160 1,292 1,360 1,450 1,520 1,615 1,700 1,900 1,972 2,204 2,320 2,465 2,584 2,755 2,900 3,230 3,400 3,800 3,944 4,408 4,930 5,168 5,510 5,800 6,460 6,800 7,600 7,888 8,075 8,816 9,367 9,860 11,020 11,600 12,325 12,920 13,775 16,150 18,734 19,720 22,040 24,650 25,840 27,550 32,300 37,468 39,440 44,080 46,835 49,300 55,100 64,600 74,936 93,670 98,600 110,200 129,200 149,872 187,340 197,200 220,400 234,175 374,680 468,350 749,360 936,700 1,873,400 and 3,746,800, with no remainder.
Since 3,746,800 cannot be divided by just 1 and 3,746,800, it is a composite number.