74866814220 has 48 divisors (see below), whose sum is σ = 228684089088. Its totient is φ = 18149530560.

The previous prime is 74866814201. The next prime is 74866814237. The reversal of 74866814220 is 2241866847.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 74866814220.

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, 56716624 + ... + 56717943.

It is an arithmetic number, because the mean of its divisors is an integer number (4764251856).

Almost surely, 2^74866814220 is an apocalyptic number.

It is an amenable number.

74866814220 is an abundant number, since it is smaller than the sum of its proper divisors (153817274868).

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

74866814220 is a wasteful number, since it uses less digits than its factorization.

74866814220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113434590 (or 113434588 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 74866814220 in words is "seventy-four billion, eight hundred sixty-six million, eight hundred fourteen thousand, two hundred twenty".