724468939 has 2 divisors, whose sum is σ = 724468940. Its totient is φ = 724468938.

The previous prime is 724468931. The next prime is 724468967. The reversal of 724468939 is 939864427.

It is a happy number.

724468939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 724468939 - 2³ = 724468931 is a prime.

It is not a weakly prime, because it can be changed into another prime (724468931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362234469 + 362234470.

It is an arithmetic number, because the mean of its divisors is an integer number (362234470).

Almost surely, 2^724468939 is an apocalyptic number.

724468939 is a deficient number, since it is larger than the sum of its proper divisors (1).

724468939 is an equidigital number, since it uses as much as digits as its factorization.

724468939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 52.

The square root of 724468939 is about 26915.9606739199. The cubic root of 724468939 is about 898.1314892701.

The spelling of 724468939 in words is "seven hundred twenty-four million, four hundred sixty-eight thousand, nine hundred thirty-nine".