7329664 has 32 divisors (see below), whose sum is σ = 14730840. Its totient is φ = 3632640.

The previous prime is 7329661. The next prime is 7329677. The reversal of 7329664 is 4669237.

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7329661) 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 3 ways as a sum of consecutive naturals, for example, 21979 + ... + 22309.

Almost surely, 2^7329664 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 7329664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365420).

7329664 is an abundant number, since it is smaller than the sum of its proper divisors (7401176).

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

7329664 is a wasteful number, since it uses less digits than its factorization.

7329664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518 (or 506 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

The square root of 7329664 is about 2707.3352212092. The cubic root of 7329664 is about 194.2501467269.

The spelling of 7329664 in words is "seven million, three hundred twenty-nine thousand, six hundred sixty-four".