6708647 has 4 divisors (see below), whose sum is σ = 7318536. Its totient is φ = 6098760.

The previous prime is 6708631. The next prime is 6708649. The reversal of 6708647 is 7468076.

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 6708647 - 2⁴ = 6708631 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 6708647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6708649) 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, 304928 + ... + 304949.

It is an arithmetic number, because the mean of its divisors is an integer number (1829634).

Almost surely, 2^6708647 is an apocalyptic number.

6708647 is a deficient number, since it is larger than the sum of its proper divisors (609889).

6708647 is a wasteful number, since it uses less digits than its factorization.

6708647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609888.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 6708647 is about 2590.1055963030. The cubic root of 6708647 is about 188.6014295100.

The spelling of 6708647 in words is "six million, seven hundred eight thousand, six hundred forty-seven".