274561868 has 12 divisors (see below), whose sum is σ = 549123792. Its totient is φ = 117669360.

The previous prime is 274561831. The next prime is 274561877. The reversal of 274561868 is 868165472.

274561868 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 4902863 + ... + 4902918.

It is an arithmetic number, because the mean of its divisors is an integer number (45760316).

Almost surely, 2^274561868 is an apocalyptic number.

274561868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

274561868 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274561868 is a wasteful number, since it uses less digits than its factorization.

274561868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9805792 (or 9805790 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 274561868 is about 16569.9085091017. The cubic root of 274561868 is about 649.9501878988.

The spelling of 274561868 in words is "two hundred seventy-four million, five hundred sixty-one thousand, eight hundred sixty-eight".