6918378 has 8 divisors (see below), whose sum is σ = 13836768. Its totient is φ = 2306124.

The previous prime is 6918361. The next prime is 6918383. The reversal of 6918378 is 8738196.

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

6918378 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 576526 + ... + 576537.

It is an arithmetic number, because the mean of its divisors is an integer number (1729596).

Almost surely, 2^6918378 is an apocalyptic number.

6918378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6918378 is a wasteful number, since it uses less digits than its factorization.

6918378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153068.

The product of its digits is 72576, while the sum is 42.

The square root of 6918378 is about 2630.2809735844. The cubic root of 6918378 is about 190.5466987560.

The spelling of 6918378 in words is "six million, nine hundred eighteen thousand, three hundred seventy-eight".