724099 has 2 divisors, whose sum is σ = 724100. Its totient is φ = 724098.

The previous prime is 724093. The next prime is 724111. The reversal of 724099 is 990427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724099 - 2⁹ = 723587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 724099.

It is not a weakly prime, because it can be changed into another prime (724093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362049 + 362050.

It is an arithmetic number, because the mean of its divisors is an integer number (362050).

2⁷²⁴⁰⁹⁹ is an apocalyptic number.

724099 is a deficient number, since it is larger than the sum of its proper divisors (1).

724099 is an equidigital number, since it uses as much as digits as its factorization.

724099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 724099 is about 850.9400683949. The cubic root of 724099 is about 89.7978590866.

The spelling of 724099 in words is "seven hundred twenty-four thousand, ninety-nine".