9144072 has 48 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 2612448.

The previous prime is 9144067. The next prime is 9144131. The reversal of 9144072 is 2704419.

It is a happy number.

It is a super-2 number, since 2×9144072² = 167228105482368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8568 + ... + 9575.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^9144072 is an apocalyptic number.

It is an amenable number.

9144072 is an abundant number, since it is smaller than the sum of its proper divisors (19160568).

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

9144072 is a wasteful number, since it uses less digits than its factorization.

9144072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18162 (or 18155 counting only the distinct ones).

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

The square root of 9144072 is about 3023.9166655184. The cubic root of 9144072 is about 209.1124445482.

The spelling of 9144072 in words is "nine million, one hundred forty-four thousand, seventy-two".