724401073 has 8 divisors (see below), whose sum is σ = 790475040. Its totient is φ = 658363680.

The previous prime is 724401071. The next prime is 724401101. The reversal of 724401073 is 370104427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 724401073 - 2¹ = 724401071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724401071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47638 + ... + 60976.

It is an arithmetic number, because the mean of its divisors is an integer number (98809380).

Almost surely, 2^724401073 is an apocalyptic number.

It is an amenable number.

724401073 is a deficient number, since it is larger than the sum of its proper divisors (66073967).

724401073 is a wasteful number, since it uses less digits than its factorization.

724401073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18287.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 724401073 is about 26914.6999425964. The cubic root of 724401073 is about 898.1034436715.

The spelling of 724401073 in words is "seven hundred twenty-four million, four hundred one thousand, seventy-three".