6690575 has 24 divisors (see below), whose sum is σ = 8749440. Its totient is φ = 5068800.

The previous prime is 6690569. The next prime is 6690577. The reversal of 6690575 is 5750966.

It is not a de Polignac number, because 6690575 - 2⁴ = 6690559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6690577) 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, 68927 + ... + 69023.

It is an arithmetic number, because the mean of its divisors is an integer number (364560).

Almost surely, 2^6690575 is an apocalyptic number.

6690575 is a deficient number, since it is larger than the sum of its proper divisors (2058865).

6690575 is a wasteful number, since it uses less digits than its factorization.

6690575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 6690575 is about 2586.6145828090. The cubic root of 6690575 is about 188.4319233893.

The spelling of 6690575 in words is "six million, six hundred ninety thousand, five hundred seventy-five".