6816375 has 48 divisors (see below), whose sum is σ = 12606048. Its totient is φ = 3542400.

The previous prime is 6816367. The next prime is 6816401. The reversal of 6816375 is 5736186.

6816375 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6816375 - 2³ = 6816367 is a prime.

It is a nialpdrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82084 + ... + 82166.

It is an arithmetic number, because the mean of its divisors is an integer number (262626).

Almost surely, 2^6816375 is an apocalyptic number.

6816375 is a deficient number, since it is larger than the sum of its proper divisors (5789673).

6816375 is a wasteful number, since it uses less digits than its factorization.

6816375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 164 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 6816375 is about 2610.8188370701. The cubic root of 6816375 is about 189.6055992311.

It can be divided in two parts, 681 and 6375, that added together give a square (7056 = 84²).

The spelling of 6816375 in words is "six million, eight hundred sixteen thousand, three hundred seventy-five".