9072144 has 45 divisors (see below), whose sum is σ = 25490959. Its totient is φ = 3012000.

The previous prime is 9072127. The next prime is 9072191. The reversal of 9072144 is 4412709.

It is a happy number.

The square root of 9072144 is 3012.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 36019 + ... + 36269.

Almost surely, 2^9072144 is an apocalyptic number.

9072144 is the 3012-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9072144

9072144 is an abundant number, since it is smaller than the sum of its proper divisors (16418815).

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

9072144 is a wasteful number, since it uses less digits than its factorization.

9072144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The cubic root of 9072144 is about 208.5627021879.

It can be divided in two parts, 9072 and 144, that added together give a square (9216 = 96²).

The spelling of 9072144 in words is "nine million, seventy-two thousand, one hundred forty-four".