The number 1,764,672 can be evenly divided by 1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 64 78 84 91 96 101 104 112 156 168 182 192 202 208 224 273 303 312 336 364 404 416 448 546 606 624 672 707 728 808 832 1,092 1,212 1,248 1,313 1,344 1,414 1,456 1,616 2,121 2,184 2,424 2,496 2,626 2,828 2,912 3,232 3,939 4,242 4,368 4,848 5,252 5,656 5,824 6,464 7,878 8,484 8,736 9,191 9,696 10,504 11,312 15,756 16,968 17,472 18,382 19,392 21,008 22,624 27,573 31,512 33,936 36,764 42,016 45,248 55,146 63,024 67,872 73,528 84,032 110,292 126,048 135,744 147,056 220,584 252,096 294,112 441,168 588,224 882,336 and 1,764,672, with no remainder.
Since 1,764,672 cannot be divided by just 1 and 1,764,672, it is a composite number.