9999974112 has 24 divisors (see below), whose sum is σ = 26249932296. Its totient is φ = 3333324672.

The previous prime is 9999974111. The next prime is 9999974123. The reversal of 9999974112 is 2114799999.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999974111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52083103 + ... + 52083294.

It is an arithmetic number, because the mean of its divisors is an integer number (1093747179).

Almost surely, 2^9999974112 is an apocalyptic number.

It is an amenable number.

9999974112 is an abundant number, since it is smaller than the sum of its proper divisors (16249958184).

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

9999974112 is a wasteful number, since it uses less digits than its factorization.

9999974112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104166410 (or 104166402 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 60.

The square root of 9999974112 is about 99999.8705599162. The cubic root of 9999974112 is about 2154.4328308968.

The spelling of 9999974112 in words is "nine billion, nine hundred ninety-nine million, nine hundred seventy-four thousand, one hundred twelve".