74164253928 has 64 divisors (see below), whose sum is σ = 191703006720. Its totient is φ = 23885030400.

The previous prime is 74164253899. The next prime is 74164253981. The reversal of 74164253928 is 82935246147.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378268 + ... + 539828.

It is an arithmetic number, because the mean of its divisors is an integer number (2995359480).

Almost surely, 2^74164253928 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 74164253928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95851503360).

74164253928 is an abundant number, since it is smaller than the sum of its proper divisors (117538752792).

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

74164253928 is a wasteful number, since it uses less digits than its factorization.

74164253928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162218 (or 162214 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The spelling of 74164253928 in words is "seventy-four billion, one hundred sixty-four million, two hundred fifty-three thousand, nine hundred twenty-eight".