9975738 has 16 divisors (see below), whose sum is σ = 20595456. Its totient is φ = 3217920.

The previous prime is 9975737. The next prime is 9975773. The reversal of 9975738 is 8375799.

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 7 ways as a sum of consecutive naturals, for example, 26631 + ... + 27002.

It is an arithmetic number, because the mean of its divisors is an integer number (1287216).

Almost surely, 2^9975738 is an apocalyptic number.

9975738 is an abundant number, since it is smaller than the sum of its proper divisors (10619718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9975738 is a wasteful number, since it uses less digits than its factorization.

9975738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53669.

The product of its digits is 476280, while the sum is 48.

The square root of 9975738 is about 3158.4391714896. The cubic root of 9975738 is about 215.2690915874.

The spelling of 9975738 in words is "nine million, nine hundred seventy-five thousand, seven hundred thirty-eight".