6872245 has 8 divisors (see below), whose sum is σ = 8402616. Its totient is φ = 5393856.

The previous prime is 6872237. The next prime is 6872251. The reversal of 6872245 is 5422786.

It can be written as a sum of positive squares in 4 ways, for example, as 552049 + 6320196 = 743^2 + 2514^2 .

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 6872245 - 2³ = 6872237 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 6872245.

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 in 7 ways as a sum of consecutive naturals, for example, 12702 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (1050327).

Almost surely, 2^6872245 is an apocalyptic number.

It is an amenable number.

6872245 is a deficient number, since it is larger than the sum of its proper divisors (1530371).

6872245 is a wasteful number, since it uses less digits than its factorization.

6872245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25991.

The product of its digits is 26880, while the sum is 34.

The square root of 6872245 is about 2621.4967098968. The cubic root of 6872245 is about 190.1222205318.

It can be divided in two parts, 6872 and 245, that added together give a palindrome (7117).

The spelling of 6872245 in words is "six million, eight hundred seventy-two thousand, two hundred forty-five".