74309538336 has 192 divisors, whose sum is σ = 217602588672. Its totient is φ = 22198176000.

The previous prime is 74309538323. The next prime is 74309538367. The reversal of 74309538336 is 63383590347.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9068001 + ... + 9076191.

It is an arithmetic number, because the mean of its divisors is an integer number (1133346816).

Almost surely, 2^74309538336 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 74309538336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108801294336).

74309538336 is an abundant number, since it is smaller than the sum of its proper divisors (143293050336).

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

74309538336 is a wasteful number, since it uses less digits than its factorization.

74309538336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308 (or 8278 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 51.

The spelling of 74309538336 in words is "seventy-four billion, three hundred nine million, five hundred thirty-eight thousand, three hundred thirty-six".