766943 has 2 divisors, whose sum is σ = 766944. Its totient is φ = 766942.

The previous prime is 766939. The next prime is 766957. The reversal of 766943 is 349667.

It is a weak prime.

It is an emirp because it is prime and its reverse (349667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 766943 - 2² = 766939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (766543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383471 + 383472.

It is an arithmetic number, because the mean of its divisors is an integer number (383472).

766943 is a Friedman number, since it can be written as (6*6)^4-97^3, using all its digits and the basic arithmetic operations.

2⁷⁶⁶⁹⁴³ is an apocalyptic number.

766943 is a deficient number, since it is larger than the sum of its proper divisors (1).

766943 is an equidigital number, since it uses as much as digits as its factorization.

766943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 766943 is about 875.7528190077. The cubic root of 766943 is about 91.5351075129.

The spelling of 766943 in words is "seven hundred sixty-six thousand, nine hundred forty-three".