275712 has 36 divisors (see below), whose sum is σ = 735840. Its totient is φ = 91648.

The previous prime is 275711. The next prime is 275719. The reversal of 275712 is 217572.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275711) 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 3 ways as a sum of consecutive naturals, for example, 589 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (20440).

2²⁷⁵⁷¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367920).

275712 is an abundant number, since it is smaller than the sum of its proper divisors (460128).

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

275712 is an equidigital number, since it uses as much as digits as its factorization.

275712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 364 counting only the distinct ones).

The product of its digits is 980, while the sum is 24.

The square root of 275712 is about 525.0828506055. The cubic root of 275712 is about 65.0856464682.

The spelling of 275712 in words is "two hundred seventy-five thousand, seven hundred twelve".