275905272 has 32 divisors (see below), whose sum is σ = 690555600. Its totient is φ = 91862784.

The previous prime is 275905249. The next prime is 275905283. The reversal of 275905272 is 272509572.

275905272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×275905272² = 152247438234787968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 275905272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16354 + ... + 28622.

Almost surely, 2^275905272 is an apocalyptic number.

It is an amenable number.

275905272 is an abundant number, since it is smaller than the sum of its proper divisors (414650328).

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

275905272 is a wasteful number, since it uses less digits than its factorization.

275905272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13215 (or 13211 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 275905272 is about 16610.3965033951. The cubic root of 275905272 is about 651.0085109588.

The spelling of 275905272 in words is "two hundred seventy-five million, nine hundred five thousand, two hundred seventy-two".