274256564 has 12 divisors (see below), whose sum is σ = 505209600. Its totient is φ = 129910968.

The previous prime is 274256551. The next prime is 274256569. The reversal of 274256564 is 465652472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274256569) 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, 1804244 + ... + 1804395.

It is an arithmetic number, because the mean of its divisors is an integer number (42100800).

Almost surely, 2^274256564 is an apocalyptic number.

It is an amenable number.

274256564 is a deficient number, since it is larger than the sum of its proper divisors (230953036).

274256564 is a wasteful number, since it uses less digits than its factorization.

274256564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3608662 (or 3608660 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 274256564 is about 16560.6933429733. The cubic root of 274256564 is about 649.7091906216.

The spelling of 274256564 in words is "two hundred seventy-four million, two hundred fifty-six thousand, five hundred sixty-four".