73943120512 has 32 divisors (see below), whose sum is σ = 152060457600. Its totient is φ = 35778927360.

The previous prime is 73943120443. The next prime is 73943120519. The reversal of 73943120512 is 21502134937.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (73943120519) by changing a digit.

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, 9313462 + ... + 9321397.

It is an arithmetic number, because the mean of its divisors is an integer number (4751889300).

Almost surely, 2^73943120512 is an apocalyptic number.

It is an amenable number.

73943120512 is an abundant number, since it is smaller than the sum of its proper divisors (78117337088).

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

73943120512 is a wasteful number, since it uses less digits than its factorization.

73943120512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18634904 (or 18634892 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 73943120512 in words is "seventy-three billion, nine hundred forty-three million, one hundred twenty thousand, five hundred twelve".