27745152 has 32 divisors (see below), whose sum is σ = 73699080. Its totient is φ = 9248256.

The previous prime is 27745147. The next prime is 27745189. The reversal of 27745152 is 25154772.

It is a tau number, because it is divible by the number of its divisors (32).

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, 35743 + ... + 36510.

Almost surely, 2^27745152 is an apocalyptic number.

It is an amenable number.

27745152 is an abundant number, since it is smaller than the sum of its proper divisors (45953928).

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

27745152 is an equidigital number, since it uses as much as digits as its factorization.

27745152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72270 (or 72258 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 27745152 is about 5267.3667045308. The cubic root of 27745152 is about 302.7348157418.

The spelling of 27745152 in words is "twenty-seven million, seven hundred forty-five thousand, one hundred fifty-two".