667017 has 12 divisors (see below), whose sum is σ = 1037764. Its totient is φ = 410400.

The previous prime is 667013. The next prime is 667019. The reversal of 667017 is 710766.

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 335241 = 576^2 + 579^2 .

It is not a de Polignac number, because 667017 - 2² = 667013 is a prime.

It is not an unprimeable number, because it can be changed into a prime (667013) 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, 2734 + ... + 2967.

2⁶⁶⁷⁰¹⁷ is an apocalyptic number.

It is an amenable number.

667017 is a deficient number, since it is larger than the sum of its proper divisors (370747).

667017 is a wasteful number, since it uses less digits than its factorization.

667017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720 (or 5717 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 667017 is about 816.7110872273. The cubic root of 667017 is about 87.3733460118.

The spelling of 667017 in words is "six hundred sixty-seven thousand, seventeen".