6749568 has 192 divisors, whose sum is σ = 23761920. Its totient is φ = 1866240.

The previous prime is 6749563. The next prime is 6749569. The reversal of 6749568 is 8659476.

6749568 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217713 + ... + 217743.

It is an arithmetic number, because the mean of its divisors is an integer number (123760).

Almost surely, 2^6749568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6749568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11880960).

6749568 is an abundant number, since it is smaller than the sum of its proper divisors (17012352).

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

6749568 is an equidigital number, since it uses as much as digits as its factorization.

6749568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 43 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 6749568 is about 2597.9930715843. The cubic root of 6749568 is about 188.9841256509.

The spelling of 6749568 in words is "six million, seven hundred forty-nine thousand, five hundred sixty-eight".