766326426 has 24 divisors (see below), whose sum is σ = 1538484864. Its totient is φ = 254473560.

The previous prime is 766326413. The next prime is 766326433. The reversal of 766326426 is 624623667.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772791 + ... + 773781.

It is an arithmetic number, because the mean of its divisors is an integer number (64103536).

Almost surely, 2^766326426 is an apocalyptic number.

766326426 is an abundant number, since it is smaller than the sum of its proper divisors (772158438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

766326426 is an equidigital number, since it uses as much as digits as its factorization.

766326426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1355 counting only the distinct ones).

The product of its digits is 435456, while the sum is 42.

The square root of 766326426 is about 27682.6015034715. The cubic root of 766326426 is about 915.1057144423.

The spelling of 766326426 in words is "seven hundred sixty-six million, three hundred twenty-six thousand, four hundred twenty-six".