6689375 has 40 divisors (see below), whose sum is σ = 10496640. Its totient is φ = 4140000.

The previous prime is 6689363. The next prime is 6689377. The reversal of 6689375 is 5739866.

It is not a de Polignac number, because 6689375 - 2⁴ = 6689359 is a prime.

Its product of digits (272160) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689377) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 48056 + ... + 48194.

It is an arithmetic number, because the mean of its divisors is an integer number (262416).

Almost surely, 2^6689375 is an apocalyptic number.

6689375 is a deficient number, since it is larger than the sum of its proper divisors (3807265).

6689375 is a wasteful number, since it uses less digits than its factorization.

6689375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 162 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 6689375 is about 2586.3826089734. The cubic root of 6689375 is about 188.4206572013.

The spelling of 6689375 in words is "six million, six hundred eighty-nine thousand, three hundred seventy-five".