724703 has 4 divisors (see below), whose sum is σ = 828240. Its totient is φ = 621168.

The previous prime is 724651. The next prime is 724721. The reversal of 724703 is 307427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 724703 - 2⁶ = 724639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51758 + ... + 51771.

It is an arithmetic number, because the mean of its divisors is an integer number (207060).

2⁷²⁴⁷⁰³ is an apocalyptic number.

724703 is a deficient number, since it is larger than the sum of its proper divisors (103537).

724703 is a wasteful number, since it uses less digits than its factorization.

724703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103536.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 724703 is about 851.2948960260. The cubic root of 724703 is about 89.8228201454.

The spelling of 724703 in words is "seven hundred twenty-four thousand, seven hundred three", and thus it is an iban number.