765272713 has 2 divisors, whose sum is σ = 765272714. Its totient is φ = 765272712.

The previous prime is 765272689. The next prime is 765272779. The reversal of 765272713 is 317272567.

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., 763803769 + 1468944 = 27637^2 + 1212^2 .

It is an emirp because it is prime and its reverse (317272567) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 765272713 - 2²⁹ = 228401801 is a prime.

It is not a weakly prime, because it can be changed into another prime (765272113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382636356 + 382636357.

It is an arithmetic number, because the mean of its divisors is an integer number (382636357).

Almost surely, 2^765272713 is an apocalyptic number.

It is an amenable number.

765272713 is a deficient number, since it is larger than the sum of its proper divisors (1).

765272713 is an equidigital number, since it uses as much as digits as its factorization.

765272713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123480, while the sum is 40.

The square root of 765272713 is about 27663.5629122498. The cubic root of 765272713 is about 914.6860929639.

The spelling of 765272713 in words is "seven hundred sixty-five million, two hundred seventy-two thousand, seven hundred thirteen".