275930 has 16 divisors (see below), whose sum is σ = 509544. Its totient is φ = 107520.

The previous prime is 275929. The next prime is 275939. The reversal of 275930 is 39572.

It can be written as a sum of positive squares in 4 ways, for example, as 124609 + 151321 = 353^2 + 389^2 .

It is a super-2 number, since 2×275930² = 152274729800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 275930.

It is not an unprimeable number, because it can be changed into a prime (275939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 746.

2²⁷⁵⁹³⁰ is an apocalyptic number.

275930 is a deficient number, since it is larger than the sum of its proper divisors (233614).

275930 is a wasteful number, since it uses less digits than its factorization.

275930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 275930 is about 525.2903958764. The cubic root of 275930 is about 65.1027959249.

The spelling of 275930 in words is "two hundred seventy-five thousand, nine hundred thirty".