6740878 has 8 divisors (see below), whose sum is σ = 10128600. Its totient is φ = 3364680.

The previous prime is 6740873. The next prime is 6740879. The reversal of 6740878 is 8780476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6740878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6740873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228 + ... + 3871.

It is an arithmetic number, because the mean of its divisors is an integer number (1266075).

Almost surely, 2^6740878 is an apocalyptic number.

6740878 is a deficient number, since it is larger than the sum of its proper divisors (3387722).

6740878 is a wasteful number, since it uses less digits than its factorization.

6740878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 6740878 is about 2596.3200881247. The cubic root of 6740878 is about 188.9029857735.

The spelling of 6740878 in words is "six million, seven hundred forty thousand, eight hundred seventy-eight".