258732064 has 24 divisors (see below), whose sum is σ = 510789888. Its totient is φ = 129007680.

The previous prime is 258732059. The next prime is 258732073. The reversal of 258732064 is 460237852.

258732064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729 + ... + 22759.

It is an arithmetic number, because the mean of its divisors is an integer number (21282912).

Almost surely, 2^258732064 is an apocalyptic number.

It is an amenable number.

258732064 is a deficient number, since it is larger than the sum of its proper divisors (252057824).

258732064 is a wasteful number, since it uses less digits than its factorization.

258732064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22408 (or 22400 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 258732064 is about 16085.1504189423. The cubic root of 258732064 is about 637.2112250479.

The spelling of 258732064 in words is "two hundred fifty-eight million, seven hundred thirty-two thousand, sixty-four".