73750011728 has 30 divisors (see below), whose sum is σ = 151790420766. Its totient is φ = 34705885696.

The previous prime is 73750011707. The next prime is 73750011761. The reversal of 73750011728 is 82711005737.

It can be written as a sum of positive squares in 3 ways, for example, as 55125404944 + 18624606784 = 234788^2 + 136472^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7970075 + ... + 7979322.

Almost surely, 2^73750011728 is an apocalyptic number.

It is an amenable number.

73750011728 is an abundant number, since it is smaller than the sum of its proper divisors (78040409038).

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

73750011728 is a wasteful number, since it uses less digits than its factorization.

73750011728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15949439 (or 15949416 counting only the distinct ones).

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 73750011728 in words is "seventy-three billion, seven hundred fifty million, eleven thousand, seven hundred twenty-eight".