616730713 has 2 divisors, whose sum is σ = 616730714. Its totient is φ = 616730712.

The previous prime is 616730711. The next prime is 616730749. The reversal of 616730713 is 317037616.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 326777929 + 289952784 = 18077^2 + 17028^2 .

It is a cyclic number.

It is not a de Polignac number, because 616730713 - 2¹ = 616730711 is a prime.

Together with 616730711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (616730711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308365356 + 308365357.

It is an arithmetic number, because the mean of its divisors is an integer number (308365357).

Almost surely, 2^616730713 is an apocalyptic number.

It is an amenable number.

616730713 is a deficient number, since it is larger than the sum of its proper divisors (1).

616730713 is an equidigital number, since it uses as much as digits as its factorization.

616730713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 616730713 is about 24834.0635619707. The cubic root of 616730713 is about 851.2004781284.

The spelling of 616730713 in words is "six hundred sixteen million, seven hundred thirty thousand, seven hundred thirteen".