9142272 has 96 divisors (see below), whose sum is σ = 27262560. Its totient is φ = 2949120.

The previous prime is 9142229. The next prime is 9142283. The reversal of 9142272 is 2722419.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×9142272² = 167162274643968, which contains 22 as substring.

Its product of digits (2016) is a multiple of the sum of its prime divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 294897 + ... + 294927.

It is an arithmetic number, because the mean of its divisors is an integer number (283985).

Almost surely, 2^9142272 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 9142272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13631280).

9142272 is an abundant number, since it is smaller than the sum of its proper divisors (18120288).

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

9142272 is an equidigital number, since it uses as much as digits as its factorization.

9142272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 36 counting only the distinct ones).

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

The square root of 9142272 is about 3023.6190236205. The cubic root of 9142272 is about 209.0987224668.

The spelling of 9142272 in words is "nine million, one hundred forty-two thousand, two hundred seventy-two".