6782947 has 4 divisors (see below), whose sum is σ = 6788320. Its totient is φ = 6777576.

The previous prime is 6782939. The next prime is 6782959. The reversal of 6782947 is 7492876.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6782947 - 2³ = 6782939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6782977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358 + ... + 3700.

It is an arithmetic number, because the mean of its divisors is an integer number (1697080).

Almost surely, 2^6782947 is an apocalyptic number.

6782947 is a deficient number, since it is larger than the sum of its proper divisors (5373).

6782947 is a wasteful number, since it uses less digits than its factorization.

6782947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372.

The product of its digits is 169344, while the sum is 43.

The square root of 6782947 is about 2604.4091460445. The cubic root of 6782947 is about 189.2951446182.

It can be divided in two parts, 67829 and 47, that added together give a palindrome (67876).

The spelling of 6782947 in words is "six million, seven hundred eighty-two thousand, nine hundred forty-seven".