73243933917680 has 160 divisors (see below), whose sum is σ = 181915940634624. Its totient is φ = 27329582665728.

The previous prime is 73243933917667. The next prime is 73243933917709. The reversal of 73243933917680 is 8671933934237.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68312609 + ... + 69376511.

Almost surely, 2^{73243933917680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73243933917680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90957970317312).

73243933917680 is an abundant number, since it is smaller than the sum of its proper divisors (108672006716944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73243933917680 is a wasteful number, since it uses less digits than its factorization.

73243933917680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064383 (or 1064377 counting only the distinct ones).

The product of its (nonzero) digits is 123451776, while the sum is 65.

The spelling of 73243933917680 in words is "seventy-three trillion, two hundred forty-three billion, nine hundred thirty-three million, nine hundred seventeen thousand, six hundred eighty".