6755920 has 20 divisors (see below), whose sum is σ = 15707700. Its totient is φ = 2702336.

The previous prime is 6755909. The next prime is 6755971. The reversal of 6755920 is 295576.

It can be written as a sum of positive squares in 2 ways, for example, as 1336336 + 5419584 = 1156^2 + 2328^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 42145 + ... + 42304.

It is an arithmetic number, because the mean of its divisors is an integer number (785385).

Almost surely, 2^6755920 is an apocalyptic number.

It is an amenable number.

6755920 is an abundant number, since it is smaller than the sum of its proper divisors (8951780).

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

6755920 is a wasteful number, since it uses less digits than its factorization.

6755920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84462 (or 84456 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 6755920 is about 2599.2152661909. The cubic root of 6755920 is about 189.0433912113.

The spelling of 6755920 in words is "six million, seven hundred fifty-five thousand, nine hundred twenty".