670768507 has 16 divisors (see below), whose sum is σ = 717230592. Its totient is φ = 625121280.

The previous prime is 670768489. The next prime is 670768559. The reversal of 670768507 is 705867076.

It is not a de Polignac number, because 670768507 - 2²³ = 662379899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670768807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093933 + ... + 1094545.

It is an arithmetic number, because the mean of its divisors is an integer number (44826912).

Almost surely, 2^670768507 is an apocalyptic number.

670768507 is a deficient number, since it is larger than the sum of its proper divisors (46462085).

670768507 is a wasteful number, since it uses less digits than its factorization.

670768507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its (nonzero) digits is 493920, while the sum is 46.

The square root of 670768507 is about 25899.1989644468. The cubic root of 670768507 is about 875.3684465192.

The spelling of 670768507 in words is "six hundred seventy million, seven hundred sixty-eight thousand, five hundred seven".