724300813 has 2 divisors, whose sum is σ = 724300814. Its totient is φ = 724300812.

The previous prime is 724300807. The next prime is 724300831. The reversal of 724300813 is 318003427.

Together with next prime (724300831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416894724 + 307406089 = 20418^2 + 17533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-724300813 is a prime.

It is a super-2 number, since 2×724300813² = 1049223335424921938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (724300873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362150406 + 362150407.

It is an arithmetic number, because the mean of its divisors is an integer number (362150407).

Almost surely, 2^724300813 is an apocalyptic number.

It is an amenable number.

724300813 is a deficient number, since it is larger than the sum of its proper divisors (1).

724300813 is an equidigital number, since it uses as much as digits as its factorization.

724300813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 724300813 is about 26912.8373271939. The cubic root of 724300813 is about 898.0620080594.

The spelling of 724300813 in words is "seven hundred twenty-four million, three hundred thousand, eight hundred thirteen".