27039972 has 48 divisors (see below), whose sum is σ = 64576512. Its totient is φ = 8804640.

The previous prime is 27039937. The next prime is 27040001. The reversal of 27039972 is 27993072.

It is a self number, because there is not a number n which added to its sum of digits gives 27039972.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161833 + ... + 161999.

It is an arithmetic number, because the mean of its divisors is an integer number (1345344).

Almost surely, 2^27039972 is an apocalyptic number.

It is an amenable number.

27039972 is an abundant number, since it is smaller than the sum of its proper divisors (37536540).

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

27039972 is a wasteful number, since it uses less digits than its factorization.

27039972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 406 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 27039972 is about 5199.9973076916. The cubic root of 27039972 is about 300.1479714473.

The spelling of 27039972 in words is "twenty-seven million, thirty-nine thousand, nine hundred seventy-two".