6547679 has 4 divisors (see below), whose sum is σ = 6655080. Its totient is φ = 6440280.

The previous prime is 6547661. The next prime is 6547687. The reversal of 6547679 is 9767456.

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 6547679 - 2⁸ = 6547423 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 (6547279) 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, 53609 + ... + 53730.

It is an arithmetic number, because the mean of its divisors is an integer number (1663770).

Almost surely, 2^6547679 is an apocalyptic number.

6547679 is a deficient number, since it is larger than the sum of its proper divisors (107401).

6547679 is a wasteful number, since it uses less digits than its factorization.

6547679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107400.

The product of its digits is 317520, while the sum is 44.

The square root of 6547679 is about 2558.8432933652. The cubic root of 6547679 is about 187.0807604877.

The spelling of 6547679 in words is "six million, five hundred forty-seven thousand, six hundred seventy-nine".