275722 has 8 divisors (see below), whose sum is σ = 418500. Its totient is φ = 136224.

The previous prime is 275719. The next prime is 275729. The reversal of 275722 is 227572.

275722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 259081 + 16641 = 509^2 + 129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 7 and base 12.

It is a nialpdrome in base 13.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (275729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597 + ... + 952.

2²⁷⁵⁷²² is an apocalyptic number.

275722 is a deficient number, since it is larger than the sum of its proper divisors (142778).

275722 is a wasteful number, since it uses less digits than its factorization.

275722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its digits is 1960, while the sum is 25.

The square root of 275722 is about 525.0923728260. The cubic root of 275722 is about 65.0864333383.

The spelling of 275722 in words is "two hundred seventy-five thousand, seven hundred twenty-two".