6755643 has 16 divisors (see below), whose sum is σ = 10135200. Its totient is φ = 4502304.

The previous prime is 6755641. The next prime is 6755653. The reversal of 6755643 is 3465576.

6755643 is a `hidden beast` number, since 6 + 7 + 5 + 5 + 643 = 666.

It is not a de Polignac number, because 6755643 - 2¹ = 6755641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6755598 and 6755607.

It is not an unprimeable number, because it can be changed into a prime (6755641) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 643 + ... + 3731.

It is an arithmetic number, because the mean of its divisors is an integer number (633450).

Almost surely, 2^6755643 is an apocalyptic number.

6755643 is a deficient number, since it is larger than the sum of its proper divisors (3379557).

6755643 is an frugal number, since it uses more digits than its factorization.

6755643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110 (or 3092 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 6755643 is about 2599.1619803314. The cubic root of 6755643 is about 189.0408075150.

The spelling of 6755643 in words is "six million, seven hundred fifty-five thousand, six hundred forty-three".