6742878 has 16 divisors (see below), whose sum is σ = 13514256. Its totient is φ = 2242880.

The previous prime is 6742859. The next prime is 6742889. The reversal of 6742878 is 8782476.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3058 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (844641).

Almost surely, 2^6742878 is an apocalyptic number.

6742878 is an abundant number, since it is smaller than the sum of its proper divisors (6771378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6742878 is a wasteful number, since it uses less digits than its factorization.

6742878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its digits is 150528, while the sum is 42.

The square root of 6742878 is about 2596.7052200818. The cubic root of 6742878 is about 188.9216662586.

The spelling of 6742878 in words is "six million, seven hundred forty-two thousand, eight hundred seventy-eight".