667675 has 12 divisors (see below), whose sum is σ = 877176. Its totient is φ = 502400.

The previous prime is 667673. The next prime is 667687. The reversal of 667675 is 576766.

It is not a de Polignac number, because 667675 - 2¹ = 667673 is a prime.

It is a Duffinian number.

667675 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (667673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (73098).

2⁶⁶⁷⁶⁷⁵ is an apocalyptic number.

667675 is a deficient number, since it is larger than the sum of its proper divisors (209501).

667675 is a wasteful number, since it uses less digits than its factorization.

667675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598 (or 1593 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 667675 is about 817.1138231605. The cubic root of 667675 is about 87.4020673023.

Subtracting from 667675 its reverse (576766), we obtain a palindrome (90909).

The spelling of 667675 in words is "six hundred sixty-seven thousand, six hundred seventy-five".