9642272 has 24 divisors (see below), whose sum is σ = 19983600. Its totient is φ = 4567104.

The previous prime is 9642263. The next prime is 9642287. The reversal of 9642272 is 2722469.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7322 + ... + 8537.

It is an arithmetic number, because the mean of its divisors is an integer number (832650).

Almost surely, 2^9642272 is an apocalyptic number.

It is an amenable number.

9642272 is an abundant number, since it is smaller than the sum of its proper divisors (10341328).

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

9642272 is a wasteful number, since it uses less digits than its factorization.

9642272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15888 (or 15880 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 9642272 is about 3105.2007986602. The cubic root of 9642272 is about 212.8432064077.

The spelling of 9642272 in words is "nine million, six hundred forty-two thousand, two hundred seventy-two".