7005390720 has 128 divisors (see below), whose sum is σ = 22402945440. Its totient is φ = 1861976064.

The previous prime is 7005390703. The next prime is 7005390737. The reversal of 7005390720 is 270935007.

It is an interprime number because it is at equal distance from previous prime (7005390703) and next prime (7005390737).

It is a tau number, because it is divible by the number of its divisors (128).

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, 595132 + ... + 606788.

Almost surely, 2^7005390720 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 7005390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11201472720).

7005390720 is an abundant number, since it is smaller than the sum of its proper divisors (15397554720).

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

7005390720 is a wasteful number, since it uses less digits than its factorization.

7005390720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11980 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 33.

The square root of 7005390720 is about 83698.2121672859. The cubic root of 7005390720 is about 1913.4221080294.

The spelling of 7005390720 in words is "seven billion, five million, three hundred ninety thousand, seven hundred twenty".