7288992660 has 24 divisors (see below), whose sum is σ = 20409179616. Its totient is φ = 1943731360.

The previous prime is 7288992653. The next prime is 7288992673. The reversal of 7288992660 is 662998827.

It is a self number, because there is not a number n which added to its sum of digits gives 7288992660.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60741546 + ... + 60741665.

It is an arithmetic number, because the mean of its divisors is an integer number (850382484).

Almost surely, 2^7288992660 is an apocalyptic number.

It is an amenable number.

7288992660 is an abundant number, since it is smaller than the sum of its proper divisors (13120186956).

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

7288992660 is a wasteful number, since it uses less digits than its factorization.

7288992660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121483223 (or 121483221 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The square root of 7288992660 is about 85375.5975674548. The cubic root of 7288992660 is about 1938.9019062875.

The spelling of 7288992660 in words is "seven billion, two hundred eighty-eight million, nine hundred ninety-two thousand, six hundred sixty".