258942674 has 8 divisors (see below), whose sum is σ = 411261948. Its totient is φ = 121855360.

The previous prime is 258942667. The next prime is 258942701. The reversal of 258942674 is 476249852.

It can be written as a sum of positive squares in 2 ways, for example, as 254562025 + 4380649 = 15955^2 + 2093^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 3807947 + ... + 3808014.

Almost surely, 2^258942674 is an apocalyptic number.

258942674 is a deficient number, since it is larger than the sum of its proper divisors (152319274).

258942674 is a wasteful number, since it uses less digits than its factorization.

258942674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615980.

The product of its digits is 967680, while the sum is 47.

The square root of 258942674 is about 16091.6958087083. The cubic root of 258942674 is about 637.3840765252.

The spelling of 258942674 in words is "two hundred fifty-eight million, nine hundred forty-two thousand, six hundred seventy-four".