74705726080 has 256 divisors, whose sum is σ = 199257408000. Its totient is φ = 26661519360.

The previous prime is 74705726077. The next prime is 74705726089. The reversal of 74705726080 is 8062750747.

It is a self number, because there is not a number n which added to its sum of digits gives 74705726080.

It is not an unprimeable number, because it can be changed into a prime (74705726089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14455657 + ... + 14460823.

It is an arithmetic number, because the mean of its divisors is an integer number (778349250).

Almost surely, 2^74705726080 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 74705726080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99628704000).

74705726080 is an abundant number, since it is smaller than the sum of its proper divisors (124551681920).

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

74705726080 is a wasteful number, since it uses less digits than its factorization.

74705726080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275 (or 5263 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 74705726080 in words is "seventy-four billion, seven hundred five million, seven hundred twenty-six thousand, eighty".