766091 has 2 divisors, whose sum is σ = 766092.
Its totient is φ = 766090.
The previous prime is 766079. The next prime is 766097. The reversal of 766091 is 190667.
It is a happy number.
766091 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 is an emirp because it is prime and its reverse (190667) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 766091 - 218 = 503947 is a prime.
It is a Sophie Germain prime.
It is a Chen prime.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 766091.
It is not a weakly prime, because it can be changed into another prime (766097) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383045 + 383046.
It is an arithmetic number, because the mean of its divisors is an integer number (383046).
2766091 is an apocalyptic number.
766091 is a deficient number, since it is larger than the sum of its proper divisors (1).
766091 is an equidigital number, since it uses as much as digits as its factorization.
766091 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2268, while the sum is 29.
The square root of 766091 is about 875.2662452077.
The cubic root of 766091 is about 91.5011993831.
The spelling of 766091 in words is "seven hundred sixty-six thousand, ninety-one".