258374742 has 16 divisors (see below), whose sum is σ = 516923760. Its totient is φ = 86095872.

The previous prime is 258374689. The next prime is 258374771. The reversal of 258374742 is 247473852.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 258374694 and 258374703.

It is a congruent number.

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, 19734 + ... + 30102.

It is an arithmetic number, because the mean of its divisors is an integer number (32307735).

Almost surely, 2^258374742 is an apocalyptic number.

258374742 is an abundant number, since it is smaller than the sum of its proper divisors (258549018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258374742 is a wasteful number, since it uses less digits than its factorization.

258374742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14527.

The product of its digits is 376320, while the sum is 42.

The square root of 258374742 is about 16074.0393803176. The cubic root of 258374742 is about 636.9177496494.

The spelling of 258374742 in words is "two hundred fifty-eight million, three hundred seventy-four thousand, seven hundred forty-two".