27047864 has 16 divisors (see below), whose sum is σ = 51952320. Its totient is φ = 13193920.

The previous prime is 27047863. The next prime is 27047897. The reversal of 27047864 is 46874072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27047863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40904 + ... + 41559.

It is an arithmetic number, because the mean of its divisors is an integer number (3247020).

Almost surely, 2^27047864 is an apocalyptic number.

It is an amenable number.

27047864 is a deficient number, since it is larger than the sum of its proper divisors (24904456).

27047864 is a wasteful number, since it uses less digits than its factorization.

27047864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82510 (or 82506 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 27047864 is about 5200.7560988764. The cubic root of 27047864 is about 300.1771694235.

The spelling of 27047864 in words is "twenty-seven million, forty-seven thousand, eight hundred sixty-four".