257672796 has 24 divisors (see below), whose sum is σ = 605070480. Its totient is φ = 85343232.

The previous prime is 257672783. The next prime is 257672797. The reversal of 257672796 is 697276752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257672797) 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, 66501 + ... + 70268.

It is an arithmetic number, because the mean of its divisors is an integer number (25211270).

Almost surely, 2^257672796 is an apocalyptic number.

It is an amenable number.

257672796 is an abundant number, since it is smaller than the sum of its proper divisors (347397684).

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

257672796 is a wasteful number, since it uses less digits than its factorization.

257672796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136933 (or 136931 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 51.

The square root of 257672796 is about 16052.1897571640. The cubic root of 257672796 is about 636.3404391519.

The spelling of 257672796 in words is "two hundred fifty-seven million, six hundred seventy-two thousand, seven hundred ninety-six".