275655372 has 12 divisors (see below), whose sum is σ = 643195896. Its totient is φ = 91885120.

The previous prime is 275655349. The next prime is 275655427. The reversal of 275655372 is 273556572.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×275655372² = 151971768224916768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11485629 + ... + 11485652.

It is an arithmetic number, because the mean of its divisors is an integer number (53599658).

Almost surely, 2^275655372 is an apocalyptic number.

It is an amenable number.

275655372 is an abundant number, since it is smaller than the sum of its proper divisors (367540524).

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

275655372 is a wasteful number, since it uses less digits than its factorization.

275655372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22971288 (or 22971286 counting only the distinct ones).

The product of its digits is 441000, while the sum is 42.

The square root of 275655372 is about 16602.8724020875. The cubic root of 275655372 is about 650.8119022120.

The spelling of 275655372 in words is "two hundred seventy-five million, six hundred fifty-five thousand, three hundred seventy-two".