30974041872 has 80 divisors (see below), whose sum is σ = 89112838080. Its totient is φ = 10300773888.

The previous prime is 30974041829. The next prime is 30974041909. The reversal of 30974041872 is 27814047903.

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 15 ways as a sum of consecutive naturals, for example, 104263 + ... + 269849.

It is an arithmetic number, because the mean of its divisors is an integer number (1113910476).

Almost surely, 2^30974041872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30974041872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44556419040).

30974041872 is an abundant number, since it is smaller than the sum of its proper divisors (58138796208).

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

30974041872 is a wasteful number, since it uses less digits than its factorization.

30974041872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166037 (or 166025 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 30974041872 in words is "thirty billion, nine hundred seventy-four million, forty-one thousand, eight hundred seventy-two".