6685475 has 6 divisors (see below), whose sum is σ = 8290020. Its totient is φ = 5348360.

The previous prime is 6685447. The next prime is 6685477. The reversal of 6685475 is 5745866.

It is not a de Polignac number, because 6685475 - 2²⁰ = 5636899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6685477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133685 + ... + 133734.

It is an arithmetic number, because the mean of its divisors is an integer number (1381670).

Almost surely, 2^6685475 is an apocalyptic number.

6685475 is a deficient number, since it is larger than the sum of its proper divisors (1604545).

6685475 is a wasteful number, since it uses less digits than its factorization.

6685475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267429 (or 267424 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 6685475 is about 2585.6285502755. The cubic root of 6685475 is about 188.3840327823.

The spelling of 6685475 in words is "six million, six hundred eighty-five thousand, four hundred seventy-five".