6748779 has 8 divisors (see below), whose sum is σ = 9527760. Its totient is φ = 4234496.

The previous prime is 6748771. The next prime is 6748783. The reversal of 6748779 is 9778476.

6748779 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6748779 - 2³ = 6748771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6748771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66114 + ... + 66215.

It is an arithmetic number, because the mean of its divisors is an integer number (1190970).

Almost surely, 2^6748779 is an apocalyptic number.

6748779 is a deficient number, since it is larger than the sum of its proper divisors (2778981).

6748779 is a wasteful number, since it uses less digits than its factorization.

6748779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132349.

The product of its digits is 592704, while the sum is 48.

The square root of 6748779 is about 2597.8412191664. The cubic root of 6748779 is about 188.9767615111.

It can be divided in two parts, 674 and 8779, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 6748779 in words is "six million, seven hundred forty-eight thousand, seven hundred seventy-nine".