670875 has 16 divisors (see below), whose sum is σ = 1116960. Its totient is φ = 357600.

The previous prime is 670867. The next prime is 670877. The reversal of 670875 is 578076.

It is not a de Polignac number, because 670875 - 2³ = 670867 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

670875 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (670877) 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 15 ways as a sum of consecutive naturals, for example, 520 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (69810).

2⁶⁷⁰⁸⁷⁵ is an apocalyptic number.

670875 is a deficient number, since it is larger than the sum of its proper divisors (446085).

670875 is a wasteful number, since it uses less digits than its factorization.

670875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 670875 is about 819.0695941127. The cubic root of 670875 is about 87.5414769345.

The spelling of 670875 in words is "six hundred seventy thousand, eight hundred seventy-five".