74605166424 has 128 divisors (see below), whose sum is σ = 217804608000. Its totient is φ = 23615805312.

The previous prime is 74605166411. The next prime is 74605166443. The reversal of 74605166424 is 42466150647.

74605166424 is a `hidden beast` number, since 7 + 4 + 60 + 5 + 166 + 424 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 74605166424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 636534 + ... + 744570.

It is an arithmetic number, because the mean of its divisors is an integer number (1701598500).

Almost surely, 2^74605166424 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 74605166424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108902304000).

74605166424 is an abundant number, since it is smaller than the sum of its proper divisors (143199441576).

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

74605166424 is a wasteful number, since it uses less digits than its factorization.

74605166424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108214 (or 108204 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 74605166424 in words is "seventy-four billion, six hundred five million, one hundred sixty-six thousand, four hundred twenty-four".