274564 has 12 divisors (see below), whose sum is σ = 486864. Its totient is φ = 135464.

The previous prime is 274529. The next prime is 274579. The reversal of 274564 is 465472.

It is an unprimeable number.

274564 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82 + ... + 745.

It is an arithmetic number, because the mean of its divisors is an integer number (40572).

2²⁷⁴⁵⁶⁴ is an apocalyptic number.

It is an amenable number.

274564 is a deficient number, since it is larger than the sum of its proper divisors (212300).

274564 is a wasteful number, since it uses less digits than its factorization.

274564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 912 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 274564 is about 523.9885494932. The cubic root of 274564 is about 64.9951870204.

It can be divided in two parts, 2745 and 64, that added together give a square (2809 = 53²).

The spelling of 274564 in words is "two hundred seventy-four thousand, five hundred sixty-four".