670860 has 36 divisors (see below), whose sum is σ = 2035488. Its totient is φ = 178848.

The previous prime is 670853. The next prime is 670867. The reversal of 670860 is 68076.

It is an interprime number because it is at equal distance from previous prime (670853) and next prime (670867).

It is a tau number, because it is divible by the number of its divisors (36).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 670860.

It is not an unprimeable number, because it can be changed into a prime (670867) 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, 1684 + ... + 2043.

2⁶⁷⁰⁸⁶⁰ is an apocalyptic number.

670860 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670860 is an abundant number, since it is smaller than the sum of its proper divisors (1364628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670860 is a wasteful number, since it uses less digits than its factorization.

670860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 670860 is about 819.0604373305. The cubic root of 670860 is about 87.5408244872.

The spelling of 670860 in words is "six hundred seventy thousand, eight hundred sixty".