683725866 has 32 divisors (see below), whose sum is σ = 1438603200. Its totient is φ = 216316800.

The previous prime is 683725859. The next prime is 683725879. The reversal of 683725866 is 668527386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23035 + ... + 43566.

It is an arithmetic number, because the mean of its divisors is an integer number (44956350).

Almost surely, 2^683725866 is an apocalyptic number.

683725866 is an abundant number, since it is smaller than the sum of its proper divisors (754877334).

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

683725866 is a wasteful number, since it uses less digits than its factorization.

683725866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66694.

The product of its digits is 2903040, while the sum is 51.

The square root of 683725866 is about 26148.1522482947. The cubic root of 683725866 is about 880.9690882324.

The spelling of 683725866 in words is "six hundred eighty-three million, seven hundred twenty-five thousand, eight hundred sixty-six".