7245 is divisible by 6.
A number is divisible by 6 if it is divisible by both 2 and 3.
e.g: In 7245 sum of the digits is = 7+2+4+5=18, which is divisible by 3.
If a number is even, it is divisible by 2.
e.g: 7245 is an odd number, Hence it is not divisible by 2.
∴ 7245 is not divisible by 6.