27798974 has 24 divisors (see below), whose sum is σ = 48693960. Its totient is φ = 11867856.

The previous prime is 27798931. The next prime is 27798989. The reversal of 27798974 is 47989772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40724 + ... + 41400.

It is an arithmetic number, because the mean of its divisors is an integer number (2028915).

Almost surely, 2^27798974 is an apocalyptic number.

27798974 is a deficient number, since it is larger than the sum of its proper divisors (20894986).

27798974 is a wasteful number, since it uses less digits than its factorization.

27798974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112 (or 1105 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 53.

The square root of 27798974 is about 5272.4732336921. The cubic root of 27798974 is about 302.9304447373.

The spelling of 27798974 in words is "twenty-seven million, seven hundred ninety-eight thousand, nine hundred seventy-four".