275273772 has 24 divisors (see below), whose sum is σ = 642637296. Its totient is φ = 91710528.

The previous prime is 275273759. The next prime is 275273807. The reversal of 275273772 is 277372572.

It is a super-2 number, since 2×275273772² = 151551299102215968, which contains 22 as substring.

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, 24538 + ... + 33950.

It is an arithmetic number, because the mean of its divisors is an integer number (26776554).

Almost surely, 2^275273772 is an apocalyptic number.

It is an amenable number.

275273772 is an abundant number, since it is smaller than the sum of its proper divisors (367363524).

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

275273772 is a wasteful number, since it uses less digits than its factorization.

275273772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11857 (or 11855 counting only the distinct ones).

The product of its digits is 288120, while the sum is 42.

The square root of 275273772 is about 16591.3764347627. The cubic root of 275273772 is about 650.5114491399.

The spelling of 275273772 in words is "two hundred seventy-five million, two hundred seventy-three thousand, seven hundred seventy-two".