766369 has 2 divisors, whose sum is σ = 766370. Its totient is φ = 766368.

The previous prime is 766361. The next prime is 766373. The reversal of 766369 is 963667.

766369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 731025 + 35344 = 855^2 + 188^2 .

It is an emirp because it is prime and its reverse (963667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766369 - 2³ = 766361 is a prime.

It is a super-2 number, since 2×766369² = 1174642888322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (766361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383184 + 383185.

It is an arithmetic number, because the mean of its divisors is an integer number (383185).

2⁷⁶⁶³⁶⁹ is an apocalyptic number.

It is an amenable number.

766369 is a deficient number, since it is larger than the sum of its proper divisors (1).

766369 is an equidigital number, since it uses as much as digits as its factorization.

766369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 37.

The square root of 766369 is about 875.4250396236. The cubic root of 766369 is about 91.5122660654.

The spelling of 766369 in words is "seven hundred sixty-six thousand, three hundred sixty-nine".