7356636 has 96 divisors (see below), whose sum is σ = 22471680. Its totient is φ = 2037312.

The previous prime is 7356623. The next prime is 7356647. The reversal of 7356636 is 6366537.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 7356636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27841 + ... + 28103.

It is an arithmetic number, because the mean of its divisors is an integer number (234080).

Almost surely, 2^7356636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7356636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11235840).

7356636 is an abundant number, since it is smaller than the sum of its proper divisors (15115044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7356636 is a wasteful number, since it uses less digits than its factorization.

7356636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 312 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 7356636 is about 2712.3119289639. The cubic root of 7356636 is about 194.4881249592.

Subtracting from 7356636 its reverse (6366537), we obtain a palindrome (990099).

The spelling of 7356636 in words is "seven million, three hundred fifty-six thousand, six hundred thirty-six".