6733664 has 48 divisors (see below), whose sum is σ = 15821568. Its totient is φ = 2758272.

The previous prime is 6733663. The next prime is 6733669. The reversal of 6733664 is 4663376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6733663) 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 7 ways as a sum of consecutive naturals, for example, 4499 + ... + 5805.

It is an arithmetic number, because the mean of its divisors is an integer number (329616).

Almost surely, 2^6733664 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 6733664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7910784).

6733664 is an abundant number, since it is smaller than the sum of its proper divisors (9087904).

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

6733664 is a wasteful number, since it uses less digits than its factorization.

6733664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1339 counting only the distinct ones).

The product of its digits is 54432, while the sum is 35.

The square root of 6733664 is about 2594.9304422277. The cubic root of 6733664 is about 188.8355745471.

The spelling of 6733664 in words is "six million, seven hundred thirty-three thousand, six hundred sixty-four".