27045664 has 24 divisors (see below), whose sum is σ = 56049840. Its totient is φ = 12810816.

The previous prime is 27045653. The next prime is 27045673. The reversal of 27045664 is 46654072.

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, 21634 + ... + 22849.

It is an arithmetic number, because the mean of its divisors is an integer number (2335410).

Almost surely, 2^27045664 is an apocalyptic number.

It is an amenable number.

27045664 is an abundant number, since it is smaller than the sum of its proper divisors (29004176).

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

27045664 is a wasteful number, since it uses less digits than its factorization.

27045664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44512 (or 44504 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 27045664 is about 5200.5445868678. The cubic root of 27045664 is about 300.1690306701.

The spelling of 27045664 in words is "twenty-seven million, forty-five thousand, six hundred sixty-four".