6809747 has 8 divisors (see below), whose sum is σ = 7836000. Its totient is φ = 5796864.

The previous prime is 6809743. The next prime is 6809753. The reversal of 6809747 is 7479086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6809747 - 2² = 6809743 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (6809743) 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 7 ways as a sum of consecutive naturals, for example, 2222 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (979500).

Almost surely, 2^6809747 is an apocalyptic number.

6809747 is a deficient number, since it is larger than the sum of its proper divisors (1026253).

6809747 is a wasteful number, since it uses less digits than its factorization.

6809747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6809747 is about 2609.5491947844. The cubic root of 6809747 is about 189.5441240601.

The spelling of 6809747 in words is "six million, eight hundred nine thousand, seven hundred forty-seven".