27664914 has 16 divisors (see below), whose sum is σ = 56679840. Its totient is φ = 8996640.

The previous prime is 27664909. The next prime is 27664921. The reversal of 27664914 is 41946672.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55984 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (3542490).

Almost surely, 2^27664914 is an apocalyptic number.

27664914 is an abundant number, since it is smaller than the sum of its proper divisors (29014926).

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

27664914 is a wasteful number, since it uses less digits than its factorization.

27664914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112505.

The product of its digits is 72576, while the sum is 39.

The square root of 27664914 is about 5259.7446706090. The cubic root of 27664914 is about 302.4427011660.

The spelling of 27664914 in words is "twenty-seven million, six hundred sixty-four thousand, nine hundred fourteen".