7003321680 has 80 divisors (see below), whose sum is σ = 21796979904. Its totient is φ = 1860096000.

The previous prime is 7003321673. The next prime is 7003321709. The reversal of 7003321680 is 861233007.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2112 + ... + 118368.

Almost surely, 2^7003321680 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 7003321680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10898489952).

7003321680 is an abundant number, since it is smaller than the sum of its proper divisors (14793658224).

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

7003321680 is a wasteful number, since it uses less digits than its factorization.

7003321680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116524 (or 116518 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7003321680 is about 83685.8511338685. The cubic root of 7003321680 is about 1913.2337132699.

Adding to 7003321680 its reverse (861233007), we get a palindrome (7864554687).

The spelling of 7003321680 in words is "seven billion, three million, three hundred twenty-one thousand, six hundred eighty".