74409481908 has 36 divisors (see below), whose sum is σ = 194158077568. Its totient is φ = 24003058320.

The previous prime is 74409481891. The next prime is 74409481919. The reversal of 74409481908 is 80918490447.

74409481908 is a `hidden beast` number, since 7 + 4 + 409 + 48 + 190 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 33336466 + ... + 33338697.

Almost surely, 2^74409481908 is an apocalyptic number.

It is an amenable number.

74409481908 is an abundant number, since it is smaller than the sum of its proper divisors (119748595660).

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

74409481908 is a wasteful number, since it uses less digits than its factorization.

74409481908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66675204 (or 66675199 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 74409481908 in words is "seventy-four billion, four hundred nine million, four hundred eighty-one thousand, nine hundred eight".