724459 has 2 divisors, whose sum is σ = 724460. Its totient is φ = 724458.

The previous prime is 724453. The next prime is 724469. The reversal of 724459 is 954427.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724459 - 2⁷ = 724331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 724459.

It is not a weakly prime, because it can be changed into another prime (724453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362229 + 362230.

It is an arithmetic number, because the mean of its divisors is an integer number (362230).

2⁷²⁴⁴⁵⁹ is an apocalyptic number.

724459 is a deficient number, since it is larger than the sum of its proper divisors (1).

724459 is an equidigital number, since it uses as much as digits as its factorization.

724459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 724459 is about 851.1515728705. The cubic root of 724459 is about 89.8127382092.

The spelling of 724459 in words is "seven hundred twenty-four thousand, four hundred fifty-nine".