724627889 has 8 divisors (see below), whose sum is σ = 729700608. Its totient is φ = 719567280.

The previous prime is 724627879. The next prime is 724627919. The reversal of 724627889 is 988726427.

It is a happy number.

724627889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 724627889 - 2²⁴ = 707850673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 724627889.

It is not an unprimeable number, because it can be changed into a prime (724627879) 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, 139904 + ... + 144990.

It is an arithmetic number, because the mean of its divisors is an integer number (91212576).

Almost surely, 2^724627889 is an apocalyptic number.

It is an amenable number.

724627889 is a deficient number, since it is larger than the sum of its proper divisors (5072719).

724627889 is a wasteful number, since it uses less digits than its factorization.

724627889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6055.

The product of its digits is 2709504, while the sum is 53.

The square root of 724627889 is about 26918.9132210050. The cubic root of 724627889 is about 898.1971684425.

The spelling of 724627889 in words is "seven hundred twenty-four million, six hundred twenty-seven thousand, eight hundred eighty-nine".