6703664 has 40 divisors (see below), whose sum is σ = 14530320. Its totient is φ = 2969600.

The previous prime is 6703651. The next prime is 6703679. The reversal of 6703664 is 4663076.

It is a super-2 number, since 2×6703664² = 89878222049792, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6703664.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6752 + ... + 7680.

It is an arithmetic number, because the mean of its divisors is an integer number (363258).

Almost surely, 2^6703664 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 6703664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7265160).

6703664 is an abundant number, since it is smaller than the sum of its proper divisors (7826656).

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

6703664 is a wasteful number, since it uses less digits than its factorization.

6703664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 6703664 is about 2589.1434877194. The cubic root of 6703664 is about 188.5547219446.

It can be divided in two parts, 670 and 3664, that added together give a palindrome (4334).

The spelling of 6703664 in words is "six million, seven hundred three thousand, six hundred sixty-four".