73928966976 has 504 divisors, whose sum is σ = 238254674112. Its totient is φ = 22672742400.

The previous prime is 73928966933. The next prime is 73928966981. The reversal of 73928966976 is 67966982937.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 1041253021 + ... + 1041253091.

It is an arithmetic number, because the mean of its divisors is an integer number (472727528).

Almost surely, 2^73928966976 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 73928966976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119127337056).

73928966976 is an abundant number, since it is smaller than the sum of its proper divisors (164325707136).

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

73928966976 is an equidigital number, since it uses as much as digits as its factorization.

73928966976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 140 counting only the distinct ones).

The product of its digits is 370355328, while the sum is 72.

The spelling of 73928966976 in words is "seventy-three billion, nine hundred twenty-eight million, nine hundred sixty-six thousand, nine hundred seventy-six".