275490624 has 28 divisors (see below), whose sum is σ = 728902784. Its totient is φ = 91830144.

The previous prime is 275490599. The next prime is 275490629. The reversal of 275490624 is 426094572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275490629) 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, 717232 + ... + 717615.

Almost surely, 2^275490624 is an apocalyptic number.

275490624 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

275490624 is an abundant number, since it is smaller than the sum of its proper divisors (453412160).

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

275490624 is a wasteful number, since it uses less digits than its factorization.

275490624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434862 (or 1434852 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 275490624 is about 16597.9102299055. The cubic root of 275490624 is about 650.6822217757.

The spelling of 275490624 in words is "two hundred seventy-five million, four hundred ninety thousand, six hundred twenty-four".