9000172 has 6 divisors (see below), whose sum is σ = 15750308. Its totient is φ = 4500084.

The previous prime is 9000163. The next prime is 9000193. The reversal of 9000172 is 2710009.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125018 + ... + 1125025.

Almost surely, 2^9000172 is an apocalyptic number.

It is an amenable number.

9000172 is a deficient number, since it is larger than the sum of its proper divisors (6750136).

9000172 is a wasteful number, since it uses less digits than its factorization.

9000172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250047 (or 2250045 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 9000172 is about 3000.0286665297. The cubic root of 9000172 is about 208.0097073872.

The spelling of 9000172 in words is "nine million, one hundred seventy-two", and thus it is an aban number.