670071 has 8 divisors (see below), whose sum is σ = 897264. Its totient is φ = 444800.

The previous prime is 670051. The next prime is 670097. The reversal of 670071 is 170076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 670071 - 2⁵ = 670039 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670071.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925 + ... + 1481.

It is an arithmetic number, because the mean of its divisors is an integer number (112158).

2⁶⁷⁰⁰⁷¹ is an apocalyptic number.

670071 is a deficient number, since it is larger than the sum of its proper divisors (227193).

670071 is a wasteful number, since it uses less digits than its factorization.

670071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961.

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

The square root of 670071 is about 818.5786461911. The cubic root of 670071 is about 87.5064920353.

The spelling of 670071 in words is "six hundred seventy thousand, seventy-one".