9072012 has 48 divisors (see below), whose sum is σ = 22176000. Its totient is φ = 2882880.

The previous prime is 9071989. The next prime is 9072031. The reversal of 9072012 is 2102709.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9072012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45489 + ... + 45687.

It is an arithmetic number, because the mean of its divisors is an integer number (462000).

Almost surely, 2^9072012 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 9072012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11088000).

9072012 is an abundant number, since it is smaller than the sum of its proper divisors (13103988).

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

9072012 is a wasteful number, since it uses less digits than its factorization.

9072012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 9072012 is about 3011.9780875697. The cubic root of 9072012 is about 208.5616906515.

The spelling of 9072012 in words is "nine million, seventy-two thousand, twelve".