27164990 has 16 divisors (see below), whose sum is σ = 50474880. Its totient is φ = 10515360.

The previous prime is 27164989. The next prime is 27165029. The reversal of 27164990 is 9946172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43505 + ... + 44124.

It is an arithmetic number, because the mean of its divisors is an integer number (3154680).

Almost surely, 2^27164990 is an apocalyptic number.

27164990 is a deficient number, since it is larger than the sum of its proper divisors (23309890).

27164990 is a wasteful number, since it uses less digits than its factorization.

27164990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87667.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 27164990 is about 5212.0044128915. The cubic root of 27164990 is about 300.6098335775.

The spelling of 27164990 in words is "twenty-seven million, one hundred sixty-four thousand, nine hundred ninety".