67676830605 has 24 divisors (see below), whose sum is σ = 120167643960. Its totient is φ = 35213959680.

The previous prime is 67676830513. The next prime is 67676830609. The reversal of 67676830605 is 50603867676.

It can be written as a sum of positive squares in 4 ways, for example, as 742344516 + 66934486089 = 27246^2 + 258717^2 .

It is not a de Polignac number, because 67676830605 - 2⁸ = 67676830349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67676830609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18338760 + ... + 18342449.

It is an arithmetic number, because the mean of its divisors is an integer number (5006985165).

Almost surely, 2^67676830605 is an apocalyptic number.

It is an amenable number.

67676830605 is a deficient number, since it is larger than the sum of its proper divisors (52490813355).

67676830605 is a wasteful number, since it uses less digits than its factorization.

67676830605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36681261 (or 36681258 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 67676830605 in words is "sixty-seven billion, six hundred seventy-six million, eight hundred thirty thousand, six hundred five".