67636521773764 has 12 divisors (see below), whose sum is σ = 118389362268688. Its totient is φ = 33810989697000.

The previous prime is 67636521773749. The next prime is 67636521773833. The reversal of 67636521773764 is 46737712563676.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67636521773693 and 67636521773702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1817776542 + ... + 1817813749.

Almost surely, 2^{67636521773764} is an apocalyptic number.

It is an amenable number.

67636521773764 is a deficient number, since it is larger than the sum of its proper divisors (50752840494924).

67636521773764 is a wasteful number, since it uses less digits than its factorization.

67636521773764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635594946 (or 3635594944 counting only the distinct ones).

The product of its digits is 1120210560, while the sum is 70.

The spelling of 67636521773764 in words is "sixty-seven trillion, six hundred thirty-six billion, five hundred twenty-one million, seven hundred seventy-three thousand, seven hundred sixty-four".