The number 7,473,744 can be evenly divided by 1 2 3 4 6 8 9 12 16 17 18 24 34 36 43 48 51 68 71 72 86 102 129 136 142 144 153 172 204 213 258 272 284 306 344 387 408 426 516 568 612 639 688 731 774 816 852 1,032 1,136 1,207 1,224 1,278 1,462 1,548 1,704 2,064 2,193 2,414 2,448 2,556 2,924 3,053 3,096 3,408 3,621 4,386 4,828 5,112 5,848 6,106 6,192 6,579 7,242 8,772 9,159 9,656 10,224 10,863 11,696 12,212 13,158 14,484 17,544 18,318 19,312 21,726 24,424 26,316 27,477 28,968 35,088 36,636 43,452 48,848 51,901 52,632 54,954 57,936 73,272 86,904 103,802 105,264 109,908 146,544 155,703 173,808 207,604 219,816 311,406 415,208 439,632 467,109 622,812 830,416 934,218 1,245,624 1,868,436 2,491,248 3,736,872 and 7,473,744, with no remainder.
Since 7,473,744 cannot be divided by just 1 and 7,473,744, it is a composite number.