64258730 has 16 divisors (see below), whose sum is σ = 115758720. Its totient is φ = 25682832.

The previous prime is 64258723. The next prime is 64258739. The reversal of 64258730 is 3785246.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (64258739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19331 + ... + 22409.

It is an arithmetic number, because the mean of its divisors is an integer number (7234920).

Almost surely, 2^64258730 is an apocalyptic number.

64258730 is a deficient number, since it is larger than the sum of its proper divisors (51499990).

64258730 is a wasteful number, since it uses less digits than its factorization.

64258730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 64258730 is about 8016.1543148819. The cubic root of 64258730 is about 400.5382961016.

The spelling of 64258730 in words is "sixty-four million, two hundred fifty-eight thousand, seven hundred thirty".