257068372 has 18 divisors (see below), whose sum is σ = 494485754. Its totient is φ = 116849040.

The previous prime is 257068363. The next prime is 257068387. The reversal of 257068372 is 273860752.

257068372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 172501956 + 84566416 = 13134^2 + 9196^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265083 + ... + 266050.

Almost surely, 2^257068372 is an apocalyptic number.

257068372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

257068372 is a deficient number, since it is larger than the sum of its proper divisors (237417382).

257068372 is a wasteful number, since it uses less digits than its factorization.

257068372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531159 (or 531146 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 257068372 is about 16033.3518641612. The cubic root of 257068372 is about 635.8424942563.

The spelling of 257068372 in words is "two hundred fifty-seven million, sixty-eight thousand, three hundred seventy-two".