670975 has 6 divisors (see below), whose sum is σ = 832040. Its totient is φ = 536760.

The previous prime is 670963. The next prime is 670987. The reversal of 670975 is 579076.

It is an interprime number because it is at equal distance from previous prime (670963) and next prime (670987).

It is a de Polignac number, because none of the positive numbers 2^k-670975 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 670975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13395 + ... + 13444.

2⁶⁷⁰⁹⁷⁵ is an apocalyptic number.

670975 is a deficient number, since it is larger than the sum of its proper divisors (161065).

670975 is a wasteful number, since it uses less digits than its factorization.

670975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849 (or 26844 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 670975 is about 819.1306367119. The cubic root of 670975 is about 87.5458263353.

The spelling of 670975 in words is "six hundred seventy thousand, nine hundred seventy-five".