670307605 has 16 divisors (see below), whose sum is σ = 879076800. Its totient is φ = 486616960.

The previous prime is 670307587. The next prime is 670307611. The reversal of 670307605 is 506703076.

670307605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 670307605 - 2¹¹ = 670305557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20586 + ... + 42004.

It is an arithmetic number, because the mean of its divisors is an integer number (54942300).

Almost surely, 2^670307605 is an apocalyptic number.

It is an amenable number.

670307605 is a deficient number, since it is larger than the sum of its proper divisors (208769195).

670307605 is a wasteful number, since it uses less digits than its factorization.

670307605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22004.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 670307605 is about 25890.2994382066. The cubic root of 670307605 is about 875.1679046493.

The spelling of 670307605 in words is "six hundred seventy million, three hundred seven thousand, six hundred five".