67683194773906 has 4 divisors (see below), whose sum is σ = 101524792160862. Its totient is φ = 33841597386952.

The previous prime is 67683194773829. The next prime is 67683194773933. The reversal of 67683194773906 is 60937749138676.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35084404857681 + 32598789916225 = 5923209^2 + 5709535^2 .

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16920798693475 + ... + 16920798693478.

Almost surely, 2^{67683194773906} is an apocalyptic number.

67683194773906 is a deficient number, since it is larger than the sum of its proper divisors (33841597386956).

67683194773906 is a wasteful number, since it uses less digits than its factorization.

67683194773906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33841597386955.

The product of its (nonzero) digits is 1728324864, while the sum is 76.

The spelling of 67683194773906 in words is "sixty-seven trillion, six hundred eighty-three billion, one hundred ninety-four million, seven hundred seventy-three thousand, nine hundred six".