275970 has 16 divisors (see below), whose sum is σ = 662400. Its totient is φ = 73584.

The previous prime is 275969. The next prime is 275981. The reversal of 275970 is 79572.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 9199 = 275970 / (2 + 7 + 5 + 9 + 7 + 0).

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, 4570 + ... + 4629.

It is an arithmetic number, because the mean of its divisors is an integer number (41400).

2²⁷⁵⁹⁷⁰ is an apocalyptic number.

275970 is an abundant number, since it is smaller than the sum of its proper divisors (386430).

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

275970 is a wasteful number, since it uses less digits than its factorization.

275970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 275970 is about 525.3284686746. The cubic root of 275970 is about 65.1059416334.

The spelling of 275970 in words is "two hundred seventy-five thousand, nine hundred seventy".