258724274 has 16 divisors (see below), whose sum is σ = 391184640. Its totient is φ = 128334000.

The previous prime is 258724267. The next prime is 258724303. The reversal of 258724274 is 472427852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146207 + ... + 147965.

It is an arithmetic number, because the mean of its divisors is an integer number (24449040).

Almost surely, 2^258724274 is an apocalyptic number.

258724274 is a deficient number, since it is larger than the sum of its proper divisors (132460366).

258724274 is a wasteful number, since it uses less digits than its factorization.

258724274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305.

The product of its digits is 250880, while the sum is 41.

The square root of 258724274 is about 16084.9082683116. The cubic root of 258724274 is about 637.2048298538.

The spelling of 258724274 in words is "two hundred fifty-eight million, seven hundred twenty-four thousand, two hundred seventy-four".