257036704 has 12 divisors (see below), whose sum is σ = 506041074. Its totient is φ = 128518336.

The previous prime is 257036701. The next prime is 257036729. The reversal of 257036704 is 407630752.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 125888400 = 11452^2 + 11220^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 257036704.

It is not an unprimeable number, because it can be changed into a prime (257036701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4016167 + ... + 4016230.

Almost surely, 2^257036704 is an apocalyptic number.

It is an amenable number.

257036704 is a deficient number, since it is larger than the sum of its proper divisors (249004370).

257036704 is an equidigital number, since it uses as much as digits as its factorization.

257036704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032407 (or 8032399 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 257036704 is about 16032.3642673188. The cubic root of 257036704 is about 635.8163835802.

The spelling of 257036704 in words is "two hundred fifty-seven million, thirty-six thousand, seven hundred four".