7052721864 has 64 divisors (see below), whose sum is σ = 19066233600. Its totient is φ = 2165535744.

The previous prime is 7052721857. The next prime is 7052721877. The reversal of 7052721864 is 4681272507.

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, 164719 + ... + 203070.

It is an arithmetic number, because the mean of its divisors is an integer number (297909900).

Almost surely, 2^7052721864 is an apocalyptic number.

It is an amenable number.

7052721864 is an abundant number, since it is smaller than the sum of its proper divisors (12013511736).

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

7052721864 is a wasteful number, since it uses less digits than its factorization.

7052721864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367862 (or 367858 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 7052721864 is about 83980.4850188423. The cubic root of 7052721864 is about 1917.7217138709.

The spelling of 7052721864 in words is "seven billion, fifty-two million, seven hundred twenty-one thousand, eight hundred sixty-four".