766351825 has 12 divisors (see below), whose sum is σ = 983045340. Its totient is φ = 591940160.

The previous prime is 766351819. The next prime is 766351841. The reversal of 766351825 is 528153667.

It can be written as a sum of positive squares in 6 ways, for example, as 1718721 + 764633104 = 1311^2 + 27652^2 .

It is not a de Polignac number, because 766351825 - 2⁵ = 766351793 is a prime.

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, 527794 + ... + 529243.

It is an arithmetic number, because the mean of its divisors is an integer number (81920445).

Almost surely, 2^766351825 is an apocalyptic number.

It is an amenable number.

766351825 is a deficient number, since it is larger than the sum of its proper divisors (216693515).

766351825 is a wasteful number, since it uses less digits than its factorization.

766351825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057076 (or 1057071 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The square root of 766351825 is about 27683.0602535197. The cubic root of 766351825 is about 915.1158243696.

The spelling of 766351825 in words is "seven hundred sixty-six million, three hundred fifty-one thousand, eight hundred twenty-five".