275263872 has 128 divisors (see below), whose sum is σ = 800136960. Its totient is φ = 83331072.

The previous prime is 275263871. The next prime is 275263883. The reversal of 275263872 is 278362572.

275263872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275263871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334053 + ... + 334875.

It is an arithmetic number, because the mean of its divisors is an integer number (6251070).

Almost surely, 2^275263872 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 275263872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400068480).

275263872 is an abundant number, since it is smaller than the sum of its proper divisors (524873088).

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

275263872 is a wasteful number, since it uses less digits than its factorization.

275263872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 908 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 275263872 is about 16591.0780843199. The cubic root of 275263872 is about 650.5036506725.

The spelling of 275263872 in words is "two hundred seventy-five million, two hundred sixty-three thousand, eight hundred seventy-two".