726923968 has 28 divisors (see below), whose sum is σ = 1443636432. Its totient is φ = 363173120.

The previous prime is 726923963. The next prime is 726923969. The reversal of 726923968 is 869329627.

It is not an unprimeable number, because it can be changed into a prime (726923963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92946 + ... + 100462.

It is an arithmetic number, because the mean of its divisors is an integer number (51558444).

Almost surely, 2^726923968 is an apocalyptic number.

It is an amenable number.

726923968 is a deficient number, since it is larger than the sum of its proper divisors (716712464).

726923968 is a wasteful number, since it uses less digits than its factorization.

726923968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9040 (or 9030 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 52.

The square root of 726923968 is about 26961.5275531636. The cubic root of 726923968 is about 899.1448535727.

The spelling of 726923968 in words is "seven hundred twenty-six million, nine hundred twenty-three thousand, nine hundred sixty-eight".