9975447 has 32 divisors (see below), whose sum is σ = 15874560. Its totient is φ = 6168960.

The previous prime is 9975431. The next prime is 9975451. The reversal of 9975447 is 7445799.

9975447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9975447 - 2⁴ = 9975431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47172 + ... + 47382.

It is an arithmetic number, because the mean of its divisors is an integer number (496080).

Almost surely, 2^9975447 is an apocalyptic number.

9975447 is a deficient number, since it is larger than the sum of its proper divisors (5899113).

9975447 is a wasteful number, since it uses less digits than its factorization.

9975447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 9975447 is about 3158.3931040958. The cubic root of 9975447 is about 215.2669983784.

The spelling of 9975447 in words is "nine million, nine hundred seventy-five thousand, four hundred forty-seven".