74320942576128 has 80 divisors (see below), whose sum is σ = 198049586175936. Its totient is φ = 24766897172480.

The previous prime is 74320942576117. The next prime is 74320942576169. The reversal of 74320942576128 is 82167524902347.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 951651 + ... + 12228962.

It is a 1-persistent number, because it is pandigital, but 2⋅74320942576128 = 148641885152256 is not.

Almost surely, 2^{74320942576128} 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 74320942576128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99024793087968).

74320942576128 is an abundant number, since it is smaller than the sum of its proper divisors (123728643599808).

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

74320942576128 is a wasteful number, since it uses less digits than its factorization.

74320942576128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13184305 (or 13184289 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 74320942576128 in words is "seventy-four trillion, three hundred twenty billion, nine hundred forty-two million, five hundred seventy-six thousand, one hundred twenty-eight".