27660964 has 12 divisors (see below), whose sum is σ = 48451788. Its totient is φ = 13817600.

The previous prime is 27660949. The next prime is 27660977. The reversal of 27660964 is 46906672.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 23425600 = 2058^2 + 4840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2904 + ... + 7984.

It is an arithmetic number, because the mean of its divisors is an integer number (4037649).

Almost surely, 2^27660964 is an apocalyptic number.

It is an amenable number.

27660964 is a deficient number, since it is larger than the sum of its proper divisors (20790824).

27660964 is a wasteful number, since it uses less digits than its factorization.

27660964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6446 (or 6444 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 27660964 is about 5259.3691636925. The cubic root of 27660964 is about 302.4283062116.

The spelling of 27660964 in words is "twenty-seven million, six hundred sixty thousand, nine hundred sixty-four".