724715 has 8 divisors (see below), whose sum is σ = 875328. Its totient is φ = 576000.

The previous prime is 724651. The next prime is 724721. The reversal of 724715 is 517427.

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

It is not a de Polignac number, because 724715 - 2⁶ = 724651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590 + ... + 1340.

It is an arithmetic number, because the mean of its divisors is an integer number (109416).

2⁷²⁴⁷¹⁵ is an apocalyptic number.

724715 is a deficient number, since it is larger than the sum of its proper divisors (150613).

724715 is a wasteful number, since it uses less digits than its factorization.

724715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its digits is 1960, while the sum is 26.

The square root of 724715 is about 851.3019440833. The cubic root of 724715 is about 89.8233159199.

The spelling of 724715 in words is "seven hundred twenty-four thousand, seven hundred fifteen".