74666445480 has 384 divisors, whose sum is σ = 286201468800. Its totient is φ = 16684185600.

The previous prime is 74666445479. The next prime is 74666445481. The reversal of 74666445480 is 8454466647.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (74666445479) and next prime (74666445481).

It is not an unprimeable number, because it can be changed into a prime (74666445481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2770470 + ... + 2797290.

It is an arithmetic number, because the mean of its divisors is an integer number (745316325).

Almost surely, 2^74666445480 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 74666445480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143100734400).

74666445480 is an abundant number, since it is smaller than the sum of its proper divisors (211535023320).

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

74666445480 is a wasteful number, since it uses less digits than its factorization.

74666445480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26905 (or 26898 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 54.

The spelling of 74666445480 in words is "seventy-four billion, six hundred sixty-six million, four hundred forty-five thousand, four hundred eighty".