724799 has 4 divisors (see below), whose sum is σ = 756336. Its totient is φ = 693264.

The previous prime is 724783. The next prime is 724807. The reversal of 724799 is 997427.

It is a happy number.

724799 is nontrivially palindromic in base 15.

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 724799 - 2⁴ = 724783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (724729) 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, 15734 + ... + 15779.

It is an arithmetic number, because the mean of its divisors is an integer number (189084).

2⁷²⁴⁷⁹⁹ is an apocalyptic number.

724799 is a deficient number, since it is larger than the sum of its proper divisors (31537).

724799 is a wasteful number, since it uses less digits than its factorization.

724799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31536.

The product of its digits is 31752, while the sum is 38.

The square root of 724799 is about 851.3512788503. The cubic root of 724799 is about 89.8267861885.

The spelling of 724799 in words is "seven hundred twenty-four thousand, seven hundred ninety-nine".