74406966388 has 6 divisors (see below), whose sum is σ = 130212191186. Its totient is φ = 37203483192.

The previous prime is 74406966331. The next prime is 74406966407. The reversal of 74406966388 is 88366960447.

It can be written as a sum of positive squares in only one way, i.e., 65071928464 + 9335037924 = 255092^2 + 96618^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9300870795 + ... + 9300870802.

Almost surely, 2^74406966388 is an apocalyptic number.

It is an amenable number.

74406966388 is a deficient number, since it is larger than the sum of its proper divisors (55805224798).

74406966388 is a wasteful number, since it uses less digits than its factorization.

74406966388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18601741601 (or 18601741599 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 74406966388 in words is "seventy-four billion, four hundred six million, nine hundred sixty-six thousand, three hundred eighty-eight".