670070667 has 16 divisors (see below), whose sum is σ = 1045965312. Its totient is φ = 373558080.

The previous prime is 670070651. The next prime is 670070671. The reversal of 670070667 is 766070076.

It is not a de Polignac number, because 670070667 - 2⁴ = 670070651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (670070627) 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, 388263 + ... + 389984.

It is an arithmetic number, because the mean of its divisors is an integer number (65372832).

Almost surely, 2^670070667 is an apocalyptic number.

670070667 is a deficient number, since it is larger than the sum of its proper divisors (375894645).

670070667 is a wasteful number, since it uses less digits than its factorization.

670070667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778298.

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 670070667 is about 25885.7232272927. The cubic root of 670070667 is about 875.0647753951.

The spelling of 670070667 in words is "six hundred seventy million, seventy thousand, six hundred sixty-seven".