6675865 has 16 divisors (see below), whose sum is σ = 9554688. Its totient is φ = 4378176.

The previous prime is 6675863. The next prime is 6675869. The reversal of 6675865 is 5685766.

6675865 = 378² + 379² + ... + 419².

It is a cyclic number.

It is not a de Polignac number, because 6675865 - 2¹ = 6675863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6675863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3342 + ... + 4951.

It is an arithmetic number, because the mean of its divisors is an integer number (597168).

Almost surely, 2^6675865 is an apocalyptic number.

It is an amenable number.

6675865 is a deficient number, since it is larger than the sum of its proper divisors (2878823).

6675865 is a wasteful number, since it uses less digits than its factorization.

6675865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328.

The product of its digits is 302400, while the sum is 43.

The square root of 6675865 is about 2583.7695330660. The cubic root of 6675865 is about 188.2937256272.

Subtracting from 6675865 its reverse (5685766), we obtain a palindrome (990099).

The spelling of 6675865 in words is "six million, six hundred seventy-five thousand, eight hundred sixty-five".