27688152 has 48 divisors (see below), whose sum is σ = 70542360. Its totient is φ = 9056256.

The previous prime is 27688139. The next prime is 27688181. The reversal of 27688152 is 25188672.

It is a super-2 number, since 2×27688152² = 1533267522350208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27688152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107608 + ... + 107864.

Almost surely, 2^27688152 is an apocalyptic number.

It is an amenable number.

27688152 is an abundant number, since it is smaller than the sum of its proper divisors (42854208).

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

27688152 is a wasteful number, since it uses less digits than its factorization.

27688152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 329 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 27688152 is about 5261.9532495073. The cubic root of 27688152 is about 302.5273594998.

The spelling of 27688152 in words is "twenty-seven million, six hundred eighty-eight thousand, one hundred fifty-two".