9942175 has 6 divisors (see below), whose sum is σ = 12328328. Its totient is φ = 7953720.

The previous prime is 9942173. The next prime is 9942181. The reversal of 9942175 is 5712499.

It is not a de Polignac number, because 9942175 - 2¹ = 9942173 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 198819 + ... + 198868.

Almost surely, 2^9942175 is an apocalyptic number.

9942175 is a deficient number, since it is larger than the sum of its proper divisors (2386153).

9942175 is a wasteful number, since it uses less digits than its factorization.

9942175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397697 (or 397692 counting only the distinct ones).

The product of its digits is 22680, while the sum is 37.

The square root of 9942175 is about 3153.1214692745. The cubic root of 9942175 is about 215.0273987077.

The spelling of 9942175 in words is "nine million, nine hundred forty-two thousand, one hundred seventy-five".