764425747 has 2 divisors, whose sum is σ = 764425748. Its totient is φ = 764425746.

The previous prime is 764425721. The next prime is 764425759. The reversal of 764425747 is 747524467.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764425747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 764425697 and 764425706.

It is not a weakly prime, because it can be changed into another prime (764425777) 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, 382212873 + 382212874.

It is an arithmetic number, because the mean of its divisors is an integer number (382212874).

Almost surely, 2^764425747 is an apocalyptic number.

764425747 is a deficient number, since it is larger than the sum of its proper divisors (1).

764425747 is an equidigital number, since it uses as much as digits as its factorization.

764425747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1317120, while the sum is 46.

The square root of 764425747 is about 27648.2503424719. The cubic root of 764425747 is about 914.3485252851.

The spelling of 764425747 in words is "seven hundred sixty-four million, four hundred twenty-five thousand, seven hundred forty-seven".