6872845 has 16 divisors (see below), whose sum is σ = 9980928. Its totient is φ = 4435200.

The previous prime is 6872821. The next prime is 6872849. The reversal of 6872845 is 5482786.

It is not a de Polignac number, because 6872845 - 2¹¹ = 6870797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6872798 and 6872807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6872849) 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 15 ways as a sum of consecutive naturals, for example, 5181 + ... + 6370.

It is an arithmetic number, because the mean of its divisors is an integer number (623808).

Almost surely, 2^6872845 is an apocalyptic number.

It is an amenable number.

6872845 is a deficient number, since it is larger than the sum of its proper divisors (3108083).

6872845 is a wasteful number, since it uses less digits than its factorization.

6872845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580.

The product of its digits is 107520, while the sum is 40.

The square root of 6872845 is about 2621.6111458414. The cubic root of 6872845 is about 190.1277534163.

The spelling of 6872845 in words is "six million, eight hundred seventy-two thousand, eight hundred forty-five".