7005020720 has 80 divisors (see below), whose sum is σ = 16519380192. Its totient is φ = 2762127360.

The previous prime is 7005020689. The next prime is 7005020747. The reversal of 7005020720 is 270205007.

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

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, 4069460 + ... + 4071180.

Almost surely, 2^7005020720 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 7005020720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8259690096).

7005020720 is an abundant number, since it is smaller than the sum of its proper divisors (9514359472).

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

7005020720 is a wasteful number, since it uses less digits than its factorization.

7005020720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7005020720 is about 83696.0018160963. The cubic root of 7005020720 is about 1913.3884207033.

Adding to 7005020720 its reverse (270205007), we get a palindrome (7275225727).

The spelling of 7005020720 in words is "seven billion, five million, twenty thousand, seven hundred twenty".