9975375 has 24 divisors (see below), whose sum is σ = 17984304. Its totient is φ = 5319600.

The previous prime is 9975373. The next prime is 9975389. The reversal of 9975375 is 5735799.

It is a happy number.

9975375 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9975375 - 2¹ = 9975373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9975375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3309 + ... + 5558.

It is an arithmetic number, because the mean of its divisors is an integer number (749346).

Almost surely, 2^9975375 is an apocalyptic number.

9975375 is a deficient number, since it is larger than the sum of its proper divisors (8008929).

9975375 is a wasteful number, since it uses less digits than its factorization.

9975375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8888 (or 8875 counting only the distinct ones).

The product of its digits is 297675, while the sum is 45.

The square root of 9975375 is about 3158.3817058741. The cubic root of 9975375 is about 215.2664804647.

The spelling of 9975375 in words is "nine million, nine hundred seventy-five thousand, three hundred seventy-five".