726685768 has 16 divisors (see below), whose sum is σ = 1363484160. Its totient is φ = 363090000.

The previous prime is 726685733. The next prime is 726685769. The reversal of 726685768 is 867586627.

It is not an unprimeable number, because it can be changed into a prime (726685769) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 19108 + ... + 42643.

It is an arithmetic number, because the mean of its divisors is an integer number (85217760).

Almost surely, 2^726685768 is an apocalyptic number.

It is an amenable number.

726685768 is a deficient number, since it is larger than the sum of its proper divisors (636798392).

726685768 is a wasteful number, since it uses less digits than its factorization.

726685768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63228 (or 63224 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 55.

The square root of 726685768 is about 26957.1097857319. The cubic root of 726685768 is about 899.0466316074.

The spelling of 726685768 in words is "seven hundred twenty-six million, six hundred eighty-five thousand, seven hundred sixty-eight".