670084689 has 32 divisors (see below), whose sum is σ = 949019904. Its totient is φ = 419973120.

The previous prime is 670084651. The next prime is 670084693. The reversal of 670084689 is 986480076.

It is not a de Polignac number, because 670084689 - 2²⁸ = 401649233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (670084619) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513612 + ... + 514914.

It is an arithmetic number, because the mean of its divisors is an integer number (29656872).

Almost surely, 2^670084689 is an apocalyptic number.

It is an amenable number.

670084689 is a deficient number, since it is larger than the sum of its proper divisors (278935215).

670084689 is a wasteful number, since it uses less digits than its factorization.

670084689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 670084689 is about 25885.9940701531. The cubic root of 670084689 is about 875.0708792651.

The spelling of 670084689 in words is "six hundred seventy million, eighty-four thousand, six hundred eighty-nine".