724601132720 has 20 divisors (see below), whose sum is σ = 1684697633760. Its totient is φ = 289840453056.

The previous prime is 724601132711. The next prime is 724601132777. The reversal of 724601132720 is 27231106427.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4528757000 + ... + 4528757159.

It is an arithmetic number, because the mean of its divisors is an integer number (84234881688).

Almost surely, 2^724601132720 is an apocalyptic number.

It is an amenable number.

724601132720 is an abundant number, since it is smaller than the sum of its proper divisors (960096501040).

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

724601132720 is a wasteful number, since it uses less digits than its factorization.

724601132720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057514172 (or 9057514166 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 724601132720 in words is "seven hundred twenty-four billion, six hundred one million, one hundred thirty-two thousand, seven hundred twenty".