27564252 has 12 divisors (see below), whose sum is σ = 64316616. Its totient is φ = 9188080.

The previous prime is 27564221. The next prime is 27564311. The reversal of 27564252 is 25246572.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148499 + ... + 1148522.

It is an arithmetic number, because the mean of its divisors is an integer number (5359718).

Almost surely, 2^27564252 is an apocalyptic number.

It is an amenable number.

27564252 is an abundant number, since it is smaller than the sum of its proper divisors (36752364).

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

27564252 is a wasteful number, since it uses less digits than its factorization.

27564252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297028 (or 2297026 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 27564252 is about 5250.1668544914. The cubic root of 27564252 is about 302.0754310651.

The spelling of 27564252 in words is "twenty-seven million, five hundred sixty-four thousand, two hundred fifty-two".