257072716 has 12 divisors (see below), whose sum is σ = 453114760. Its totient is φ = 127611360.

The previous prime is 257072713. The next prime is 257072723. The reversal of 257072716 is 617270752.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (257072713) 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, 230625 + ... + 231736.

Almost surely, 2^257072716 is an apocalyptic number.

It is an amenable number.

257072716 is a deficient number, since it is larger than the sum of its proper divisors (196042044).

257072716 is a wasteful number, since it uses less digits than its factorization.

257072716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462504 (or 462502 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 257072716 is about 16033.4873312078. The cubic root of 257072716 is about 635.8460757733.

The spelling of 257072716 in words is "two hundred fifty-seven million, seventy-two thousand, seven hundred sixteen".