670017 has 4 divisors (see below), whose sum is σ = 893360. Its totient is φ = 446676.

The previous prime is 670001. The next prime is 670031. The reversal of 670017 is 710076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 670017 - 2⁴ = 670001 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 669975 and 670002.

It is not an unprimeable number, because it can be changed into a prime (670037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111667 + ... + 111672.

It is an arithmetic number, because the mean of its divisors is an integer number (223340).

2⁶⁷⁰⁰¹⁷ is an apocalyptic number.

It is an amenable number.

670017 is a deficient number, since it is larger than the sum of its proper divisors (223343).

670017 is a wasteful number, since it uses less digits than its factorization.

670017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223342.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 670017 is about 818.5456615241. The cubic root of 670017 is about 87.5041413006.

The spelling of 670017 in words is "six hundred seventy thousand, seventeen".