74928079296 has 560 divisors, whose sum is σ = 268295526400. Its totient is φ = 20222576640.

The previous prime is 74928079283. The next prime is 74928079297. The reversal of 74928079296 is 69297082947.

It is a super-2 number, since 2×74928079296² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74928079297) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 48371130 + ... + 48372678.

Almost surely, 2^74928079296 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 74928079296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134147763200).

74928079296 is an abundant number, since it is smaller than the sum of its proper divisors (193367447104).

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

74928079296 is a wasteful number, since it uses less digits than its factorization.

74928079296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 74928079296 in words is "seventy-four billion, nine hundred twenty-eight million, seventy-nine thousand, two hundred ninety-six".