726920684 has 36 divisors (see below), whose sum is σ = 1482173280. Its totient is φ = 311038560.

The previous prime is 726920683. The next prime is 726920707. The reversal of 726920684 is 486029627.

It is not an unprimeable number, because it can be changed into a prime (726920683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136349 + ... + 141579.

It is an arithmetic number, because the mean of its divisors is an integer number (41171480).

Almost surely, 2^726920684 is an apocalyptic number.

It is an amenable number.

726920684 is an abundant number, since it is smaller than the sum of its proper divisors (755252596).

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

726920684 is a wasteful number, since it uses less digits than its factorization.

726920684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5958 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 726920684 is about 26961.4666515010. The cubic root of 726920684 is about 899.1434995585.

The spelling of 726920684 in words is "seven hundred twenty-six million, nine hundred twenty thousand, six hundred eighty-four".