27697924 has 12 divisors (see below), whose sum is σ = 48510364. Its totient is φ = 13837824.

The previous prime is 27697921. The next prime is 27697931. The reversal of 27697924 is 42979672.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 26214400 = 1218^2 + 5120^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (27697921) 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, 5644 + ... + 9340.

Almost surely, 2^27697924 is an apocalyptic number.

It is an amenable number.

27697924 is a deficient number, since it is larger than the sum of its proper divisors (20812440).

27697924 is a wasteful number, since it uses less digits than its factorization.

27697924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574 (or 5572 counting only the distinct ones).

The product of its digits is 381024, while the sum is 46.

The square root of 27697924 is about 5262.8817201225. The cubic root of 27697924 is about 302.5629457153.

The spelling of 27697924 in words is "twenty-seven million, six hundred ninety-seven thousand, nine hundred twenty-four".