74464117866 has 48 divisors (see below), whose sum is σ = 168404895360. Its totient is φ = 23734956960.

The previous prime is 74464117813. The next prime is 74464117873. The reversal of 74464117866 is 66871146447.

It is a happy number.

74464117866 is a `hidden beast` number, since 7 + 4 + 464 + 1 + 178 + 6 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427940 + ... + 1479168.

It is an arithmetic number, because the mean of its divisors is an integer number (3508435320).

Almost surely, 2^74464117866 is an apocalyptic number.

74464117866 is an abundant number, since it is smaller than the sum of its proper divisors (93940777494).

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

74464117866 is a wasteful number, since it uses less digits than its factorization.

74464117866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54771 (or 54768 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 74464117866 in words is "seventy-four billion, four hundred sixty-four million, one hundred seventeen thousand, eight hundred sixty-six".