724772984896 has 21 divisors (see below), whose sum is σ = 1438234906989. Its totient is φ = 362383087104.

The previous prime is 724772984891. The next prime is 724772984909. The reversal of 724772984896 is 698489277427.

The square root of 724772984896 is 851336.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 557053249600 + 167719735296 = 746360^2 + 409536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724772984891) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6757480 + ... + 6863896.

Almost surely, 2^724772984896 is an apocalyptic number.

724772984896 is the 851336-th square number.

It is an amenable number.

724772984896 is a deficient number, since it is larger than the sum of its proper divisors (713461922093).

724772984896 is an frugal number, since it uses more digits than its factorization.

724772984896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212846 (or 106419 counting only the distinct ones).

The product of its digits is 682795008, while the sum is 73.

The spelling of 724772984896 in words is "seven hundred twenty-four billion, seven hundred seventy-two million, nine hundred eighty-four thousand, eight hundred ninety-six".