274479940 has 48 divisors (see below), whose sum is σ = 660240000. Its totient is φ = 93894912.

The previous prime is 274479929. The next prime is 274479979. The reversal of 274479940 is 49974472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67896 + ... + 71824.

It is an arithmetic number, because the mean of its divisors is an integer number (13755000).

Almost surely, 2^274479940 is an apocalyptic number.

274479940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274479940 is an abundant number, since it is smaller than the sum of its proper divisors (385760060).

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

274479940 is a wasteful number, since it uses less digits than its factorization.

274479940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444 (or 4442 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 274479940 is about 16567.4361323652. The cubic root of 274479940 is about 649.8855340842.

The spelling of 274479940 in words is "two hundred seventy-four million, four hundred seventy-nine thousand, nine hundred forty".