724015 has 8 divisors (see below), whose sum is σ = 879120. Its totient is φ = 572352.

The previous prime is 724007. The next prime is 724021. The reversal of 724015 is 510427.

724015 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 724015 - 2³ = 724007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 723983 and 724001.

It is a congruent 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, 369 + ... + 1258.

It is an arithmetic number, because the mean of its divisors is an integer number (109890).

2⁷²⁴⁰¹⁵ is an apocalyptic number.

724015 is a deficient number, since it is larger than the sum of its proper divisors (155105).

724015 is a wasteful number, since it uses less digits than its factorization.

724015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 724015 is about 850.8907097859. The cubic root of 724015 is about 89.7943865817.

The spelling of 724015 in words is "seven hundred twenty-four thousand, fifteen".