685926726 has 8 divisors (see below), whose sum is σ = 1371853464. Its totient is φ = 228642240.

The previous prime is 685926721. The next prime is 685926737. The reversal of 685926726 is 627629586.

It is a sphenic number, since it is the product of 3 distinct primes.

685926726 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (685926721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57160555 + ... + 57160566.

It is an arithmetic number, because the mean of its divisors is an integer number (171481683).

Almost surely, 2^685926726 is an apocalyptic number.

685926726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

685926726 is a wasteful number, since it uses less digits than its factorization.

685926726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114321126.

The product of its digits is 2177280, while the sum is 51.

The square root of 685926726 is about 26190.2028629028. The cubic root of 685926726 is about 881.9133326331.

The spelling of 685926726 in words is "six hundred eighty-five million, nine hundred twenty-six thousand, seven hundred twenty-six".