27688074 has 16 divisors (see below), whose sum is σ = 55749600. Its totient is φ = 9167120.

The previous prime is 27688057. The next prime is 27688093. The reversal of 27688074 is 47088672.

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, 14592 + ... + 16379.

It is an arithmetic number, because the mean of its divisors is an integer number (3484350).

Almost surely, 2^27688074 is an apocalyptic number.

27688074 is an abundant number, since it is smaller than the sum of its proper divisors (28061526).

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

27688074 is a wasteful number, since it uses less digits than its factorization.

27688074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31125.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 27688074 is about 5261.9458378056. The cubic root of 27688074 is about 302.5270754173.

The spelling of 27688074 in words is "twenty-seven million, six hundred eighty-eight thousand, seventy-four".