275865472 has 32 divisors (see below), whose sum is σ = 556552800. Its totient is φ = 136181760.

The previous prime is 275865461. The next prime is 275865479. The reversal of 275865472 is 274568572.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×275865472² = 152203517283565568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275865479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529 + ... + 23752.

It is an arithmetic number, because the mean of its divisors is an integer number (17392275).

Almost surely, 2^275865472 is an apocalyptic number.

It is an amenable number.

275865472 is an abundant number, since it is smaller than the sum of its proper divisors (280687328).

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

275865472 is an equidigital number, since it uses as much as digits as its factorization.

275865472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27374 (or 27362 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 275865472 is about 16609.1984153360. The cubic root of 275865472 is about 650.9772062716.

The spelling of 275865472 in words is "two hundred seventy-five million, eight hundred sixty-five thousand, four hundred seventy-two".