257714474 has 8 divisors (see below), whose sum is σ = 399901860. Its totient is φ = 124413856.

The previous prime is 257714473. The next prime is 257714491. The reversal of 257714474 is 474417752.

It can be written as a sum of positive squares in 2 ways, for example, as 238486249 + 19228225 = 15443^2 + 4385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (257714473) 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, 2221619 + ... + 2221734.

Almost surely, 2^257714474 is an apocalyptic number.

257714474 is a deficient number, since it is larger than the sum of its proper divisors (142187386).

257714474 is a wasteful number, since it uses less digits than its factorization.

257714474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4443384.

The product of its digits is 219520, while the sum is 41.

The square root of 257714474 is about 16053.4879076168. The cubic root of 257714474 is about 636.3747461845.

The spelling of 257714474 in words is "two hundred fifty-seven million, seven hundred fourteen thousand, four hundred seventy-four".