7001720000 has 140 divisors (see below), whose sum is σ = 18941543016. Its totient is φ = 2545920000.

The previous prime is 7001719987. The next prime is 7001720023. The reversal of 7001720000 is 271007.

It is a happy number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 432044 + ... + 447956.

Almost surely, 2^7001720000 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 7001720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9470771508).

7001720000 is an abundant number, since it is smaller than the sum of its proper divisors (11939823016).

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

7001720000 is a wasteful number, since it uses less digits than its factorization.

7001720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15956 (or 15931 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 17.

The square root of 7001720000 is about 83676.2809881032. The cubic root of 7001720000 is about 1913.0878481145.

Adding to 7001720000 its reverse (271007), we get a palindrome (7001991007).

The spelling of 7001720000 in words is "seven billion, one million, seven hundred twenty thousand".