9784072012 has 24 divisors (see below), whose sum is σ = 20115505872. Its totient is φ = 4105204800.

The previous prime is 9784071961. The next prime is 9784072013. The reversal of 9784072012 is 2102704879.

It is not an unprimeable number, because it can be changed into a prime (9784072013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8551939 + ... + 8553082.

It is an arithmetic number, because the mean of its divisors is an integer number (838146078).

Almost surely, 2^9784072012 is an apocalyptic number.

It is an amenable number.

9784072012 is an abundant number, since it is smaller than the sum of its proper divisors (10331433860).

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

9784072012 is a wasteful number, since it uses less digits than its factorization.

9784072012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105049 (or 17105047 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 9784072012 is about 98914.4681631560. The cubic root of 9784072012 is about 2138.8149618569.

The spelling of 9784072012 in words is "nine billion, seven hundred eighty-four million, seventy-two thousand, twelve".