6872771 has 4 divisors (see below), whose sum is σ = 6912672. Its totient is φ = 6832872.

The previous prime is 6872759. The next prime is 6872779. The reversal of 6872771 is 1772786.

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 6872771 - 2¹⁴ = 6856387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6872779) 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 3 ways as a sum of consecutive naturals, for example, 19691 + ... + 20036.

It is an arithmetic number, because the mean of its divisors is an integer number (1728168).

Almost surely, 2^6872771 is an apocalyptic number.

6872771 is a deficient number, since it is larger than the sum of its proper divisors (39901).

6872771 is a wasteful number, since it uses less digits than its factorization.

6872771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39900.

The product of its digits is 32928, while the sum is 38.

The square root of 6872771 is about 2621.5970323450. The cubic root of 6872771 is about 190.1270710446.

The spelling of 6872771 in words is "six million, eight hundred seventy-two thousand, seven hundred seventy-one".