6872006 has 4 divisors (see below), whose sum is σ = 10308012. Its totient is φ = 3436002.

The previous prime is 6871981. The next prime is 6872017. The reversal of 6872006 is 6002786.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6872006.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1718000 + ... + 1718003.

It is an arithmetic number, because the mean of its divisors is an integer number (2577003).

Almost surely, 2^6872006 is an apocalyptic number.

6872006 is a deficient number, since it is larger than the sum of its proper divisors (3436006).

6872006 is a wasteful number, since it uses less digits than its factorization.

6872006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436005.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 6872006 is about 2621.4511248543. The cubic root of 6872006 is about 190.1200165098.

The spelling of 6872006 in words is "six million, eight hundred seventy-two thousand, six".