27434864 has 20 divisors (see below), whose sum is σ = 53646120. Its totient is φ = 13590720.

The previous prime is 27434851. The next prime is 27434893. The reversal of 27434864 is 46843472.

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 3 ways as a sum of consecutive naturals, for example, 6122 + ... + 9609.

It is an arithmetic number, because the mean of its divisors is an integer number (2682306).

Almost surely, 2^27434864 is an apocalyptic number.

It is an amenable number.

27434864 is a deficient number, since it is larger than the sum of its proper divisors (26211256).

27434864 is a wasteful number, since it uses less digits than its factorization.

27434864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15848 (or 15842 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 27434864 is about 5237.8300850639. The cubic root of 27434864 is about 301.6020371028.

The spelling of 27434864 in words is "twenty-seven million, four hundred thirty-four thousand, eight hundred sixty-four".