724366733 has 2 divisors, whose sum is σ = 724366734. Its totient is φ = 724366732.

The previous prime is 724366729. The next prime is 724366759. The reversal of 724366733 is 337663427.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500953924 + 223412809 = 22382^2 + 14947^2 .

It is an emirp because it is prime and its reverse (337663427) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 724366733 - 2² = 724366729 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724366703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362183366 + 362183367.

It is an arithmetic number, because the mean of its divisors is an integer number (362183367).

Almost surely, 2^724366733 is an apocalyptic number.

It is an amenable number.

724366733 is a deficient number, since it is larger than the sum of its proper divisors (1).

724366733 is an equidigital number, since it uses as much as digits as its factorization.

724366733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 41.

The square root of 724366733 is about 26914.0619936865. The cubic root of 724366733 is about 898.0892520123.

The spelling of 724366733 in words is "seven hundred twenty-four million, three hundred sixty-six thousand, seven hundred thirty-three".