6756778 has 8 divisors (see below), whose sum is σ = 11583072. Its totient is φ = 2895756.

The previous prime is 6756721. The next prime is 6756817. The reversal of 6756778 is 8776576.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241300 + ... + 241327.

It is an arithmetic number, because the mean of its divisors is an integer number (1447884).

Almost surely, 2^6756778 is an apocalyptic number.

6756778 is a deficient number, since it is larger than the sum of its proper divisors (4826294).

6756778 is a wasteful number, since it uses less digits than its factorization.

6756778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482636.

The product of its digits is 493920, while the sum is 46.

The square root of 6756778 is about 2599.3803107664. The cubic root of 6756778 is about 189.0513936922.

The spelling of 6756778 in words is "six million, seven hundred fifty-six thousand, seven hundred seventy-eight".