6715678 has 16 divisors (see below), whose sum is σ = 10673280. Its totient is φ = 3162456.

The previous prime is 6715649. The next prime is 6715679. The reversal of 6715678 is 8765176.

It is a self number, because there is not a number n which added to its sum of digits gives 6715678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6715679) 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 7 ways as a sum of consecutive naturals, for example, 1993 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (667080).

Almost surely, 2^6715678 is an apocalyptic number.

6715678 is a deficient number, since it is larger than the sum of its proper divisors (3957602).

6715678 is a wasteful number, since it uses less digits than its factorization.

6715678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271.

The product of its digits is 70560, while the sum is 40.

The square root of 6715678 is about 2591.4625214346. The cubic root of 6715678 is about 188.6672944384.

The spelling of 6715678 in words is "six million, seven hundred fifteen thousand, six hundred seventy-eight".