275460 has 24 divisors (see below), whose sum is σ = 771456. Its totient is φ = 73440.

The previous prime is 275459. The next prime is 275461. The reversal of 275460 is 64572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (275459) and next prime (275461).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 275460.

It is not an unprimeable number, because it can be changed into a prime (275461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2236 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (32144).

2²⁷⁵⁴⁶⁰ is an apocalyptic number.

275460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275460 is an abundant number, since it is smaller than the sum of its proper divisors (495996).

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

275460 is a wasteful number, since it uses less digits than its factorization.

275460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603 (or 4601 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 275460 is about 524.8428336178. The cubic root of 275460 is about 65.0658110573.

Adding to 275460 its product of nonzero digits (1680), we get a triangular number (277140 = T₇₄₄).

The spelling of 275460 in words is "two hundred seventy-five thousand, four hundred sixty".