6730779 has 16 divisors (see below), whose sum is σ = 9959040. Its totient is φ = 4008960.

The previous prime is 6730771. The next prime is 6730783. The reversal of 6730779 is 9770376.

It is not a de Polignac number, because 6730779 - 2³ = 6730771 is a prime.

6730779 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6730771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 2^6730779 is an apocalyptic number.

6730779 is a deficient number, since it is larger than the sum of its proper divisors (3228261).

6730779 is a wasteful number, since it uses less digits than its factorization.

6730779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530.

The product of its (nonzero) digits is 55566, while the sum is 39.

The square root of 6730779 is about 2594.3744910864. The cubic root of 6730779 is about 188.8086021857.

The spelling of 6730779 in words is "six million, seven hundred thirty thousand, seven hundred seventy-nine".