724073 has 8 divisors (see below), whose sum is σ = 844800. Its totient is φ = 620340.

The previous prime is 724021. The next prime is 724079. The reversal of 724073 is 370427.

It is not a de Polignac number, because 724073 - 2¹⁰ = 723049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (724079) 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, 713 + ... + 1398.

It is an arithmetic number, because the mean of its divisors is an integer number (105600).

2⁷²⁴⁰⁷³ is an apocalyptic number.

It is an amenable number.

724073 is a deficient number, since it is larger than the sum of its proper divisors (120727).

724073 is an equidigital number, since it uses as much as digits as its factorization.

724073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2118 counting only the distinct ones).

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

The square root of 724073 is about 850.9247910362. The cubic root of 724073 is about 89.7967842923.

The spelling of 724073 in words is "seven hundred twenty-four thousand, seventy-three", and thus it is an iban number.