67680673775842 has 32 divisors (see below), whose sum is σ = 109671747292800. Its totient is φ = 31228932163968.

The previous prime is 67680673775789. The next prime is 67680673775843. The reversal of 67680673775842 is 24857737608676.

It is not an unprimeable number, because it can be changed into a prime (67680673775843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17665467 + ... + 21152542.

It is an arithmetic number, because the mean of its divisors is an integer number (3427242102900).

Almost surely, 2^{67680673775842} is an apocalyptic number.

67680673775842 is a deficient number, since it is larger than the sum of its proper divisors (41991073516958).

67680673775842 is a wasteful number, since it uses less digits than its factorization.

67680673775842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38819370.

The product of its (nonzero) digits is 3982970880, while the sum is 76.

The spelling of 67680673775842 in words is "sixty-seven trillion, six hundred eighty billion, six hundred seventy-three million, seven hundred seventy-five thousand, eight hundred forty-two".