275727872 has 80 divisors (see below), whose sum is σ = 636387840. Its totient is φ = 116901888.

The previous prime is 275727871. The next prime is 275727877. The reversal of 275727872 is 278727572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275727871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383129 + ... + 383847.

It is an arithmetic number, because the mean of its divisors is an integer number (7954848).

Almost surely, 2^275727872 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 275727872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318193920).

275727872 is an abundant number, since it is smaller than the sum of its proper divisors (360659968).

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

275727872 is an equidigital number, since it uses as much as digits as its factorization.

275727872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 835 counting only the distinct ones).

The product of its digits is 768320, while the sum is 47.

The square root of 275727872 is about 16605.0556156852. The cubic root of 275727872 is about 650.8689537961.

The spelling of 275727872 in words is "two hundred seventy-five million, seven hundred twenty-seven thousand, eight hundred seventy-two".