766525673 has 2 divisors, whose sum is σ = 766525674. Its totient is φ = 766525672.

The previous prime is 766525619. The next prime is 766525681. The reversal of 766525673 is 376525667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 490533904 + 275991769 = 22148^2 + 16613^2 .

It is a cyclic number.

It is not a de Polignac number, because 766525673 - 2¹⁸ = 766263529 is a prime.

It is not a weakly prime, because it can be changed into another prime (766525693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383262836 + 383262837.

It is an arithmetic number, because the mean of its divisors is an integer number (383262837).

Almost surely, 2^766525673 is an apocalyptic number.

It is an amenable number.

766525673 is a deficient number, since it is larger than the sum of its proper divisors (1).

766525673 is an equidigital number, since it uses as much as digits as its factorization.

766525673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 47.

The square root of 766525673 is about 27686.2000462324. The cubic root of 766525673 is about 915.1850175792.

The spelling of 766525673 in words is "seven hundred sixty-six million, five hundred twenty-five thousand, six hundred seventy-three".