676810732005 has 12 divisors (see below), whose sum is σ = 1173138602220. Its totient is φ = 360965723712.

The previous prime is 676810731953. The next prime is 676810732007. The reversal of 676810732005 is 500237018676.

It can be written as a sum of positive squares in 2 ways, for example, as 426923719236 + 249887012769 = 653394^2 + 499887^2 .

It is not a de Polignac number, because 676810732005 - 2⁶ = 676810731941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 15040238489 = 676810732005 / (6 + 7 + 6 + 8 + 1 + 0 + 7 + 3 + 2 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676810732007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7520119200 + ... + 7520119289.

It is an arithmetic number, because the mean of its divisors is an integer number (97761550185).

Almost surely, 2^676810732005 is an apocalyptic number.

It is an amenable number.

676810732005 is a deficient number, since it is larger than the sum of its proper divisors (496327870215).

676810732005 is a wasteful number, since it uses less digits than its factorization.

676810732005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15040238500 (or 15040238497 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 676810732005 in words is "six hundred seventy-six billion, eight hundred ten million, seven hundred thirty-two thousand, five".