73668683374172 has 12 divisors (see below), whose sum is σ = 130473451277736. Its totient is φ = 36390554437680.

The previous prime is 73668683374171. The next prime is 73668683374241. The reversal of 73668683374172 is 27147338686637.

It is a junction number, because it is equal to n+sod(n) for n = 73668683374096 and 73668683374105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73668683374171) 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 3 ways as a sum of consecutive naturals, for example, 110946811979 + ... + 110946812642.

It is an arithmetic number, because the mean of its divisors is an integer number (10872787606478).

Almost surely, 2^{73668683374172} is an apocalyptic number.

It is an amenable number.

73668683374172 is a deficient number, since it is larger than the sum of its proper divisors (56804767903564).

73668683374172 is a wasteful number, since it uses less digits than its factorization.

73668683374172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221893624708 (or 221893624706 counting only the distinct ones).

The product of its digits is 1024192512, while the sum is 71.

The spelling of 73668683374172 in words is "seventy-three trillion, six hundred sixty-eight billion, six hundred eighty-three million, three hundred seventy-four thousand, one hundred seventy-two".