670007 has 4 divisors (see below), whose sum is σ = 721560. Its totient is φ = 618456.

The previous prime is 670001. The next prime is 670031. The reversal of 670007 is 700076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670007 - 2⁶ = 669943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25757 + ... + 25782.

It is an arithmetic number, because the mean of its divisors is an integer number (180390).

2⁶⁷⁰⁰⁰⁷ is an apocalyptic number.

670007 is a deficient number, since it is larger than the sum of its proper divisors (51553).

670007 is a wasteful number, since it uses less digits than its factorization.

670007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51552.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 670007 is about 818.5395531066. The cubic root of 670007 is about 87.5037059655.

The spelling of 670007 in words is "six hundred seventy thousand, seven".