257472372 has 24 divisors (see below), whose sum is σ = 607521600. Its totient is φ = 84859456.

The previous prime is 257472359. The next prime is 257472379. The reversal of 257472372 is 273274752.

It is a self number, because there is not a number n which added to its sum of digits gives 257472372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257472379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119472 + ... + 121607.

It is an arithmetic number, because the mean of its divisors is an integer number (25313400).

Almost surely, 2^257472372 is an apocalyptic number.

It is an amenable number.

257472372 is an abundant number, since it is smaller than the sum of its proper divisors (350049228).

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

257472372 is a wasteful number, since it uses less digits than its factorization.

257472372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241175 (or 241173 counting only the distinct ones).

The product of its digits is 164640, while the sum is 39.

The square root of 257472372 is about 16045.9456561463. The cubic root of 257472372 is about 636.1754094712.

The spelling of 257472372 in words is "two hundred fifty-seven million, four hundred seventy-two thousand, three hundred seventy-two".