764730313 has 2 divisors, whose sum is σ = 764730314. Its totient is φ = 764730312.

The previous prime is 764730271. The next prime is 764730331. The reversal of 764730313 is 313037467.

Together with next prime (764730331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 533933449 + 230796864 = 23107^2 + 15192^2 .

It is a cyclic number.

It is not a de Polignac number, because 764730313 - 2²¹ = 762633161 is a prime.

It is equal to p_39423346 and since 764730313 and 39423346 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (764730353) 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, 382365156 + 382365157.

It is an arithmetic number, because the mean of its divisors is an integer number (382365157).

Almost surely, 2^764730313 is an apocalyptic number.

It is an amenable number.

764730313 is a deficient number, since it is larger than the sum of its proper divisors (1).

764730313 is an equidigital number, since it uses as much as digits as its factorization.

764730313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

The square root of 764730313 is about 27653.7576650986. The cubic root of 764730313 is about 914.4699421343.

The spelling of 764730313 in words is "seven hundred sixty-four million, seven hundred thirty thousand, three hundred thirteen".