7188272028 has 216 divisors, whose sum is σ = 21675064320. Its totient is φ = 1967212800.

The previous prime is 7188272017. The next prime is 7188272053. The reversal of 7188272028 is 8202728817.

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 71 ways as a sum of consecutive naturals, for example, 30076333 + ... + 30076571.

It is an arithmetic number, because the mean of its divisors is an integer number (100347520).

Almost surely, 2^7188272028 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 7188272028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10837532160).

7188272028 is an abundant number, since it is smaller than the sum of its proper divisors (14486792292).

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

7188272028 is a wasteful number, since it uses less digits than its factorization.

7188272028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 45.

The square root of 7188272028 is about 84783.6778395465. The cubic root of 7188272028 is about 1929.9297519779.

The spelling of 7188272028 in words is "seven billion, one hundred eighty-eight million, two hundred seventy-two thousand, twenty-eight".