6878473 has 12 divisors (see below), whose sum is σ = 8049540. Its totient is φ = 5860512.

The previous prime is 6878467. The next prime is 6878479. The reversal of 6878473 is 3748786.

It is an interprime number because it is at equal distance from previous prime (6878467) and next prime (6878479).

It can be written as a sum of positive squares in 2 ways, for example, as 2729104 + 4149369 = 1652^2 + 2037^2 .

It is a de Polignac number, because none of the positive numbers 2^k-6878473 is a prime.

It is a Duffinian number.

6878473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6878479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10915 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (670795).

Almost surely, 2^6878473 is an apocalyptic number.

It is an amenable number.

6878473 is a deficient number, since it is larger than the sum of its proper divisors (1171067).

6878473 is a wasteful number, since it uses less digits than its factorization.

6878473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 849 counting only the distinct ones).

The product of its digits is 225792, while the sum is 43.

The square root of 6878473 is about 2622.6843119217. The cubic root of 6878473 is about 190.1796362029.

The spelling of 6878473 in words is "six million, eight hundred seventy-eight thousand, four hundred seventy-three".