724844413 has 2 divisors, whose sum is σ = 724844414. Its totient is φ = 724844412.

The previous prime is 724844401. The next prime is 724844437. The reversal of 724844413 is 314448427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 629156889 + 95687524 = 25083^2 + 9782^2 .

It is a cyclic number.

It is not a de Polignac number, because 724844413 - 2⁵ = 724844381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724844443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362422206 + 362422207.

It is an arithmetic number, because the mean of its divisors is an integer number (362422207).

Almost surely, 2^724844413 is an apocalyptic number.

It is an amenable number.

724844413 is a deficient number, since it is larger than the sum of its proper divisors (1).

724844413 is an equidigital number, since it uses as much as digits as its factorization.

724844413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86016, while the sum is 37.

The square root of 724844413 is about 26922.9347025914. The cubic root of 724844413 is about 898.2866221143.

The spelling of 724844413 in words is "seven hundred twenty-four million, eight hundred forty-four thousand, four hundred thirteen".