275313920 has 72 divisors (see below), whose sum is σ = 753696384. Its totient is φ = 94390272.

The previous prime is 275313919. The next prime is 275313937. The reversal of 275313920 is 29313572.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6404 + ... + 24323.

Almost surely, 2^275313920 is an apocalyptic number.

275313920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275313920 is an abundant number, since it is smaller than the sum of its proper divisors (478382464).

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

275313920 is an equidigital number, since it uses as much as digits as its factorization.

275313920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30755 (or 30741 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 275313920 is about 16592.5862962951. The cubic root of 275313920 is about 650.5430727654.

The spelling of 275313920 in words is "two hundred seventy-five million, three hundred thirteen thousand, nine hundred twenty".