770724769 has 2 divisors, whose sum is σ = 770724770. Its totient is φ = 770724768.

The previous prime is 770724761. The next prime is 770724841. The reversal of 770724769 is 967427077.

770724769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575424144 + 195300625 = 23988^2 + 13975^2 .

It is a cyclic number.

It is not a de Polignac number, because 770724769 - 2³ = 770724761 is a prime.

It is a super-2 number, since 2×770724769² = 1188033339100206722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (770724761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385362384 + 385362385.

It is an arithmetic number, because the mean of its divisors is an integer number (385362385).

Almost surely, 2^770724769 is an apocalyptic number.

It is an amenable number.

770724769 is a deficient number, since it is larger than the sum of its proper divisors (1).

770724769 is an equidigital number, since it uses as much as digits as its factorization.

770724769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1037232, while the sum is 49.

The square root of 770724769 is about 27761.9302102718. The cubic root of 770724769 is about 916.8531303030.

The spelling of 770724769 in words is "seven hundred seventy million, seven hundred twenty-four thousand, seven hundred sixty-nine".