764317 has 2 divisors, whose sum is σ = 764318. Its totient is φ = 764316.

The previous prime is 764293. The next prime is 764321. The reversal of 764317 is 713467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763876 + 441 = 874^2 + 21^2 .

It is an emirp because it is prime and its reverse (713467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764317 - 2⁷ = 764189 is a prime.

It is a Chen prime.

It is a nialpdrome in base 7.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382158 + 382159.

It is an arithmetic number, because the mean of its divisors is an integer number (382159).

2⁷⁶⁴³¹⁷ is an apocalyptic number.

It is an amenable number.

764317 is a deficient number, since it is larger than the sum of its proper divisors (1).

764317 is an equidigital number, since it uses as much as digits as its factorization.

764317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3528, while the sum is 28.

The square root of 764317 is about 874.2522519273. The cubic root of 764317 is about 91.4305164904.

It can be divided in two parts, 764 and 317, that added together give a triangular number (1081 = T₄₆).

The spelling of 764317 in words is "seven hundred sixty-four thousand, three hundred seventeen".