724645996 has 12 divisors (see below), whose sum is σ = 1268794800. Its totient is φ = 362133200.

The previous prime is 724645991. The next prime is 724646011. The reversal of 724645996 is 699546427.

It is a super-2 number, since 2×724645996² = 1050223639037664032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (724645991) 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, 38680 + ... + 54271.

It is an arithmetic number, because the mean of its divisors is an integer number (105732900).

Almost surely, 2^724645996 is an apocalyptic number.

It is an amenable number.

724645996 is a deficient number, since it is larger than the sum of its proper divisors (544148804).

724645996 is a wasteful number, since it uses less digits than its factorization.

724645996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94904 (or 94902 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 724645996 is about 26919.2495437744. The cubic root of 724645996 is about 898.2046497631.

The spelling of 724645996 in words is "seven hundred twenty-four million, six hundred forty-five thousand, nine hundred ninety-six".