9427172 has 6 divisors (see below), whose sum is σ = 16497558. Its totient is φ = 4713584.

The previous prime is 9427151. The next prime is 9427181. The reversal of 9427172 is 2717249.

It can be written as a sum of positive squares in only one way, i.e., 5125696 + 4301476 = 2264^2 + 2074^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1178393 + ... + 1178400.

It is an arithmetic number, because the mean of its divisors is an integer number (2749593).

Almost surely, 2^9427172 is an apocalyptic number.

It is an amenable number.

9427172 is a deficient number, since it is larger than the sum of its proper divisors (7070386).

9427172 is a wasteful number, since it uses less digits than its factorization.

9427172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356797 (or 2356795 counting only the distinct ones).

The product of its digits is 7056, while the sum is 32.

The square root of 9427172 is about 3070.3700102756. The cubic root of 9427172 is about 211.2485858244.

The spelling of 9427172 in words is "nine million, four hundred twenty-seven thousand, one hundred seventy-two".