27620564 has 12 divisors (see below), whose sum is σ = 48705888. Its totient is φ = 13704600.

The previous prime is 27620543. The next prime is 27620569. The reversal of 27620564 is 46502672.

It is a self number, because there is not a number n which added to its sum of digits gives 27620564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27620569) by changing a digit.

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, 25832 + ... + 26879.

It is an arithmetic number, because the mean of its divisors is an integer number (4058824).

Almost surely, 2^27620564 is an apocalyptic number.

It is an amenable number.

27620564 is a deficient number, since it is larger than the sum of its proper divisors (21085324).

27620564 is a wasteful number, since it uses less digits than its factorization.

27620564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52846 (or 52844 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 27620564 is about 5255.5269954592. The cubic root of 27620564 is about 302.2809980561.

The spelling of 27620564 in words is "twenty-seven million, six hundred twenty thousand, five hundred sixty-four".