74474284566 has 16 divisors (see below), whose sum is σ = 162489348288. Its totient is φ = 22567965000.

The previous prime is 74474284543. The next prime is 74474284627. The reversal of 74474284566 is 66548247447.

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, 564199060 + ... + 564199191.

It is an arithmetic number, because the mean of its divisors is an integer number (10155584268).

Almost surely, 2^74474284566 is an apocalyptic number.

74474284566 is an abundant number, since it is smaller than the sum of its proper divisors (88015063722).

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

74474284566 is a wasteful number, since it uses less digits than its factorization.

74474284566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128398267.

The product of its digits is 36126720, while the sum is 57.

The spelling of 74474284566 in words is "seventy-four billion, four hundred seventy-four million, two hundred eighty-four thousand, five hundred sixty-six".