9975242 has 16 divisors (see below), whose sum is σ = 15531264. Its totient is φ = 4800000.

The previous prime is 9975223. The next prime is 9975253. The reversal of 9975242 is 2425799.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁴ + 9⁶ + 7² + 5 + 2 + 4¹⁰ + 2²³ .

It is a junction number, because it is equal to n+sod(n) for n = 9975196 and 9975205.

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 in 7 ways as a sum of consecutive naturals, for example, 15242 + ... + 15882.

It is an arithmetic number, because the mean of its divisors is an integer number (970704).

Almost surely, 2^9975242 is an apocalyptic number.

9975242 is a deficient number, since it is larger than the sum of its proper divisors (5556022).

9975242 is a wasteful number, since it uses less digits than its factorization.

9975242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925.

The product of its digits is 45360, while the sum is 38.

The square root of 9975242 is about 3158.3606507174. The cubic root of 9975242 is about 215.2655237565.

The spelling of 9975242 in words is "nine million, nine hundred seventy-five thousand, two hundred forty-two".