258730738 has 16 divisors (see below), whose sum is σ = 445794624. Its totient is φ = 110320560.

The previous prime is 258730729. The next prime is 258730757. The reversal of 258730738 is 837037852.

It is a junction number, because it is equal to n+sod(n) for n = 258730694 and 258730703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44148 + ... + 49663.

It is an arithmetic number, because the mean of its divisors is an integer number (27862164).

Almost surely, 2^258730738 is an apocalyptic number.

258730738 is a deficient number, since it is larger than the sum of its proper divisors (187063886).

258730738 is a wasteful number, since it uses less digits than its factorization.

258730738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94017.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 258730738 is about 16085.1092007484. The cubic root of 258730738 is about 637.2101364783.

The spelling of 258730738 in words is "two hundred fifty-eight million, seven hundred thirty thousand, seven hundred thirty-eight".