670606067 has 4 divisors (see below), whose sum is σ = 671026536. Its totient is φ = 670185600.

The previous prime is 670606051. The next prime is 670606081. The reversal of 670606067 is 760606076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 670606067 - 2⁴ = 670606051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 670606067.

It is not an unprimeable number, because it can be changed into a prime (670609067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207833 + ... + 211034.

It is an arithmetic number, because the mean of its divisors is an integer number (167756634).

Almost surely, 2^670606067 is an apocalyptic number.

670606067 is a deficient number, since it is larger than the sum of its proper divisors (420469).

670606067 is a wasteful number, since it uses less digits than its factorization.

670606067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420468.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 670606067 is about 25896.0627702359. The cubic root of 670606067 is about 875.2977781595.

Subtracting 670606067 from its reverse (760606076), we obtain a palindrome (90000009).

The spelling of 670606067 in words is "six hundred seventy million, six hundred six thousand, sixty-seven".