6670679 has 4 divisors (see below), whose sum is σ = 6704400. Its totient is φ = 6636960.

The previous prime is 6670661. The next prime is 6670687. The reversal of 6670679 is 9760766.

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 6670679 - 2⁸ = 6670423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6670649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16562 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (1676100).

Almost surely, 2^6670679 is an apocalyptic number.

6670679 is a deficient number, since it is larger than the sum of its proper divisors (33721).

6670679 is a wasteful number, since it uses less digits than its factorization.

6670679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33720.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 6670679 is about 2582.7657656086. The cubic root of 6670679 is about 188.2449557062.

The spelling of 6670679 in words is "six million, six hundred seventy thousand, six hundred seventy-nine".