73928986560 has 504 divisors, whose sum is σ = 301021943040. Its totient is φ = 16542535680.

The previous prime is 73928986559. The next prime is 73928986577. The reversal of 73928986560 is 6568982937.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4522081 + ... + 4538399.

It is an arithmetic number, because the mean of its divisors is an integer number (597265760).

Almost surely, 2^73928986560 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 73928986560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150510971520).

73928986560 is an abundant number, since it is smaller than the sum of its proper divisors (227092956480).

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

73928986560 is a wasteful number, since it uses less digits than its factorization.

73928986560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16377 (or 16353 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 73928986560 in words is "seventy-three billion, nine hundred twenty-eight million, nine hundred eighty-six thousand, five hundred sixty".