The number 3,774,600 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 135 150 162 180 200 216 225 233 270 300 324 360 405 450 466 540 600 648 675 699 810 900 932 1,080 1,165 1,350 1,398 1,620 1,800 1,864 2,025 2,097 2,330 2,700 2,796 3,240 3,495 4,050 4,194 4,660 5,400 5,592 5,825 6,291 6,990 8,100 8,388 9,320 10,485 11,650 12,582 13,980 16,200 16,776 17,475 18,873 20,970 23,300 25,164 27,960 31,455 34,950 37,746 41,940 46,600 50,328 52,425 62,910 69,900 75,492 83,880 94,365 104,850 125,820 139,800 150,984 157,275 188,730 209,700 251,640 314,550 377,460 419,400 471,825 629,100 754,920 943,650 1,258,200 1,887,300 and 3,774,600, with no remainder.
Since 3,774,600 cannot be divided by just 1 and 3,774,600, it is a composite number.