74446164064 has 48 divisors (see below), whose sum is σ = 146932909200. Its totient is φ = 37130010624.

The previous prime is 74446164031. The next prime is 74446164077. The reversal of 74446164064 is 46046164447.

It is a congruent number.

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, 31718539 + ... + 31720885.

It is an arithmetic number, because the mean of its divisors is an integer number (3061102275).

Almost surely, 2^74446164064 is an apocalyptic number.

It is an amenable number.

74446164064 is a deficient number, since it is larger than the sum of its proper divisors (72486745136).

74446164064 is a wasteful number, since it uses less digits than its factorization.

74446164064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415 (or 4407 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 46.

The spelling of 74446164064 in words is "seventy-four billion, four hundred forty-six million, one hundred sixty-four thousand, sixty-four".