7050720640 has 64 divisors (see below), whose sum is σ = 17742798000. Its totient is φ = 2671847424.

The previous prime is 7050720619. The next prime is 7050720653. The reversal of 7050720640 is 460270507.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277755 + ... + 302074.

Almost surely, 2^7050720640 is an apocalyptic number.

It is an amenable number.

7050720640 is an abundant number, since it is smaller than the sum of its proper divisors (10692077360).

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

7050720640 is a wasteful number, since it uses less digits than its factorization.

7050720640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579867 (or 579855 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 7050720640 is about 83968.5693578258. The cubic root of 7050720640 is about 1917.5403109154.

The spelling of 7050720640 in words is "seven billion, fifty million, seven hundred twenty thousand, six hundred forty".