764425426 has 16 divisors (see below), whose sum is σ = 1153647000. Its totient is φ = 379883520.

The previous prime is 764425399. The next prime is 764425427. The reversal of 764425426 is 624524467.

It can be written as a sum of positive squares in 4 ways, for example, as 683874801 + 80550625 = 26151^2 + 8975^2 .

It is not an unprimeable number, because it can be changed into a prime (764425427) 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 in 7 ways as a sum of consecutive naturals, for example, 276700 + ... + 279448.

Almost surely, 2^764425426 is an apocalyptic number.

764425426 is a deficient number, since it is larger than the sum of its proper divisors (389221574).

764425426 is a wasteful number, since it uses less digits than its factorization.

764425426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549.

The product of its digits is 322560, while the sum is 40.

The square root of 764425426 is about 27648.2445374024. The cubic root of 764425426 is about 914.3483972998.

The spelling of 764425426 in words is "seven hundred sixty-four million, four hundred twenty-five thousand, four hundred twenty-six".