7 is a prime number and is also too small to have any numbers evenly divided into it.
Yes; it can be evenly divided by 7.
An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2. 7 is an odd number.
I believe it is 28.
7 is a prime number, meaning it can only be divided evenly with itself and 1.
It is actually spelled "divisible", and divisible means mathematically that a number can be divided by another number evenly. For example, 14 divided by 2. That can be divided evenly, it is divisible (your answer would be 7).