A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 7369650 can be evenly divided by 1 2 3 5 6 9 10 15 18 25 27 30 45 50 53 54 75 90 103 106 135 150 159 206 225 265 270 309 318 450 477 515 530 618 675 795 927 954 1,030 1,325 1,350 1,431 1,545 1,590 1,854 2,385 2,575 2,650 2,781 2,862 3,090 3,975 4,635 4,770 5,150 5,459 5,562 7,155 7,725 7,950 9,270 10,918 11,925 13,905 14,310 15,450 16,377 23,175 23,850 27,295 27,810 32,754 35,775 46,350 49,131 54,590 69,525 71,550 81,885 98,262 136,475 139,050 147,393 163,770 245,655 272,950 294,786 409,425 491,310 736,965 818,850 1,228,275 1,473,930 2,456,550 3,684,825 and 7,369,650, with no remainder.
Since 7,369,650 cannot be divided by just 1 and 7,369,650, it is not a prime number.