764325697 has 2 divisors, whose sum is σ = 764325698. Its totient is φ = 764325696.

The previous prime is 764325691. The next prime is 764325713. The reversal of 764325697 is 796523467.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 645973056 + 118352641 = 25416^2 + 10879^2 .

It is an emirp because it is prime and its reverse (796523467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764325697 - 2³ = 764325689 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764325697.

It is not a weakly prime, because it can be changed into another prime (764325691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382162848 + 382162849.

It is an arithmetic number, because the mean of its divisors is an integer number (382162849).

Almost surely, 2^764325697 is an apocalyptic number.

It is an amenable number.

764325697 is a deficient number, since it is larger than the sum of its proper divisors (1).

764325697 is an equidigital number, since it uses as much as digits as its factorization.

764325697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The square root of 764325697 is about 27646.4409463497. The cubic root of 764325697 is about 914.3086327856.

The spelling of 764325697 in words is "seven hundred sixty-four million, three hundred twenty-five thousand, six hundred ninety-seven".