73133845712 has 20 divisors (see below), whose sum is σ = 143811706176. Its totient is φ = 36021147360.

The previous prime is 73133845679. The next prime is 73133845727. The reversal of 73133845712 is 21754833137.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34109864 + ... + 34112007.

Almost surely, 2^73133845712 is an apocalyptic number.

It is an amenable number.

73133845712 is a deficient number, since it is larger than the sum of its proper divisors (70677860464).

73133845712 is a wasteful number, since it uses less digits than its factorization.

73133845712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68221946 (or 68221940 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 73133845712 in words is "seventy-three billion, one hundred thirty-three million, eight hundred forty-five thousand, seven hundred twelve".