766247 has 2 divisors, whose sum is σ = 766248. Its totient is φ = 766246.

The previous prime is 766237. The next prime is 766261. The reversal of 766247 is 742667.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 766247 - 2⁴ = 766231 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 766247.

It is not a weakly prime, because it can be changed into another prime (766237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383123 + 383124.

It is an arithmetic number, because the mean of its divisors is an integer number (383124).

2⁷⁶⁶²⁴⁷ is an apocalyptic number.

766247 is a deficient number, since it is larger than the sum of its proper divisors (1).

766247 is an equidigital number, since it uses as much as digits as its factorization.

766247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 32.

The square root of 766247 is about 875.3553564125. The cubic root of 766247 is about 91.5074097934.

The spelling of 766247 in words is "seven hundred sixty-six thousand, two hundred forty-seven".