670970 has 16 divisors (see below), whose sum is σ = 1217160. Its totient is φ = 266304.

The previous prime is 670963. The next prime is 670987. The reversal of 670970 is 79076.

It can be written as a sum of positive squares in 4 ways, for example, as 667489 + 3481 = 817^2 + 59^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144 + ... + 2436.

2⁶⁷⁰⁹⁷⁰ is an apocalyptic number.

670970 is a deficient number, since it is larger than the sum of its proper divisors (546190).

670970 is a wasteful number, since it uses less digits than its factorization.

670970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 670970 is about 819.1275846900. The cubic root of 670970 is about 87.5456088756.

The spelling of 670970 in words is "six hundred seventy thousand, nine hundred seventy".