9975793 has 4 divisors (see below), whose sum is σ = 9985140. Its totient is φ = 9966448.

The previous prime is 9975773. The next prime is 9975803. The reversal of 9975793 is 3975799.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9529569 + 446224 = 3087^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 9975793 - 2⁹ = 9975281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9975733) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2830 + ... + 5287.

It is an arithmetic number, because the mean of its divisors is an integer number (2496285).

Almost surely, 2^9975793 is an apocalyptic number.

It is an amenable number.

9975793 is a deficient number, since it is larger than the sum of its proper divisors (9347).

9975793 is a wasteful number, since it uses less digits than its factorization.

9975793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9346.

The product of its digits is 535815, while the sum is 49.

The square root of 9975793 is about 3158.4478783099. The cubic root of 9975793 is about 215.2694872065.

The spelling of 9975793 in words is "nine million, nine hundred seventy-five thousand, seven hundred ninety-three".