720599 has 8 divisors (see below), whose sum is σ = 794640. Its totient is φ = 648000.

The previous prime is 720571. The next prime is 720607. The reversal of 720599 is 995027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-720599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720569) 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, 899 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (99330).

2⁷²⁰⁵⁹⁹ is an apocalyptic number.

720599 is a deficient number, since it is larger than the sum of its proper divisors (74041).

720599 is a wasteful number, since it uses less digits than its factorization.

720599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 720599 is about 848.8810281777. The cubic root of 720599 is about 89.6529432402.

The spelling of 720599 in words is "seven hundred twenty thousand, five hundred ninety-nine".