766626625 has 8 divisors (see below), whose sum is σ = 956750184. Its totient is φ = 613301200.

The previous prime is 766626617. The next prime is 766626671. The reversal of 766626625 is 526626667.

It is a happy number.

766626625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 229128769 + 537497856 = 15137^2 + 23184^2 .

It is not a de Polignac number, because 766626625 - 2³ = 766626617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3066382 + ... + 3066631.

It is an arithmetic number, because the mean of its divisors is an integer number (119593773).

Almost surely, 2^766626625 is an apocalyptic number.

It is an amenable number.

766626625 is a deficient number, since it is larger than the sum of its proper divisors (190123559).

766626625 is an equidigital number, since it uses as much as digits as its factorization.

766626625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6133028 (or 6133018 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 46.

The square root of 766626625 is about 27688.0231327554. The cubic root of 766626625 is about 915.2251926642.

The spelling of 766626625 in words is "seven hundred sixty-six million, six hundred twenty-six thousand, six hundred twenty-five".