257764372 has 12 divisors (see below), whose sum is σ = 451465056. Its totient is φ = 128774360.

The previous prime is 257764369. The next prime is 257764379. The reversal of 257764372 is 273467752.

257764372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257764379) 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, 21454 + ... + 31237.

It is an arithmetic number, because the mean of its divisors is an integer number (37622088).

Almost surely, 2^257764372 is an apocalyptic number.

It is an amenable number.

257764372 is a deficient number, since it is larger than the sum of its proper divisors (193700684).

257764372 is a wasteful number, since it uses less digits than its factorization.

257764372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53918 (or 53916 counting only the distinct ones).

The product of its digits is 493920, while the sum is 43.

The square root of 257764372 is about 16055.0419494936. The cubic root of 257764372 is about 636.4158146034.

The spelling of 257764372 in words is "two hundred fifty-seven million, seven hundred sixty-four thousand, three hundred seventy-two".