7636 has 12 divisors (see below), whose sum is σ = 14112. Its totient is φ = 3608.

The previous prime is 7621. The next prime is 7639. The reversal of 7636 is 6367.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (756) is a multiple of the sum of its prime divisors (108).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51 + ... + 133.

It is an arithmetic number, because the mean of its divisors is an integer number (1176).

2⁷⁶³⁶ is an apocalyptic number.

It is an amenable number.

7636 is a deficient number, since it is larger than the sum of its proper divisors (6476).

7636 is a wasteful number, since it uses less digits than its factorization.

7636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 108 counting only the distinct ones).

The product of its digits is 756, while the sum is 22.

The square root of 7636 is about 87.3842090998. The cubic root of 7636 is about 19.6919461697.

The spelling of 7636 in words is "seven thousand, six hundred thirty-six".