6904678 has 8 divisors (see below), whose sum is σ = 11298600. Its totient is φ = 3138480.

The previous prime is 6904649. The next prime is 6904691. The reversal of 6904678 is 8764096.

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 6904678.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 156903 + ... + 156946.

It is an arithmetic number, because the mean of its divisors is an integer number (1412325).

Almost surely, 2^6904678 is an apocalyptic number.

6904678 is a deficient number, since it is larger than the sum of its proper divisors (4393922).

6904678 is a wasteful number, since it uses less digits than its factorization.

6904678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313862.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6904678 is about 2627.6753985224. The cubic root of 6904678 is about 190.4208400264.

The spelling of 6904678 in words is "six million, nine hundred four thousand, six hundred seventy-eight".