27689930 has 16 divisors (see below), whose sum is σ = 52009344. Its totient is φ = 10594320.

The previous prime is 27689899. The next prime is 27689941. The reversal of 27689930 is 3998672.

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, 59966 + ... + 60425.

It is an arithmetic number, because the mean of its divisors is an integer number (3250584).

Almost surely, 2^27689930 is an apocalyptic number.

27689930 is a deficient number, since it is larger than the sum of its proper divisors (24319414).

27689930 is a wasteful number, since it uses less digits than its factorization.

27689930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120421.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 27689930 is about 5262.1221954645. The cubic root of 27689930 is about 302.5338349787.

The spelling of 27689930 in words is "twenty-seven million, six hundred eighty-nine thousand, nine hundred thirty".