724003 has 8 divisors (see below), whose sum is σ = 832608. Its totient is φ = 616704.

The previous prime is 724001. The next prime is 724007. The reversal of 724003 is 300427.

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 724003 - 2¹ = 724001 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (724001) 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, 1875 + ... + 2227.

It is an arithmetic number, because the mean of its divisors is an integer number (104076).

2⁷²⁴⁰⁰³ is an apocalyptic number.

724003 is a deficient number, since it is larger than the sum of its proper divisors (108605).

724003 is a wasteful number, since it uses less digits than its factorization.

724003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 724003 is about 850.8836583223. The cubic root of 724003 is about 89.7938904877.

The spelling of 724003 in words is "seven hundred twenty-four thousand, three", and thus it is an iban number.