275690 has 16 divisors (see below), whose sum is σ = 522720. Its totient is φ = 104400.

The previous prime is 275677. The next prime is 275699. The reversal of 275690 is 96572.

It is a super-2 number, since 2×275690² = 152009952200, which contains 22 as substring.

It is a Curzon number.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (275699) by changing a digit.

275690 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536 + ... + 915.

It is an arithmetic number, because the mean of its divisors is an integer number (32670).

2²⁷⁵⁶⁹⁰ is an apocalyptic number.

275690 is a deficient number, since it is larger than the sum of its proper divisors (247030).

275690 is a wasteful number, since it uses less digits than its factorization.

275690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 275690 is about 525.0619011126. The cubic root of 275690 is about 65.0839152870.

The spelling of 275690 in words is "two hundred seventy-five thousand, six hundred ninety".