8072728008 has 16 divisors (see below), whose sum is σ = 20181820080. Its totient is φ = 2690909328.

The previous prime is 8072727991. The next prime is 8072728009. The reversal of 8072728008 is 8008272708.

It is a super-2 number, since 2×8072728008² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8072728009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168181810 + ... + 168181857.

It is an arithmetic number, because the mean of its divisors is an integer number (1261363755).

Almost surely, 2^8072728008 is an apocalyptic number.

It is an amenable number.

8072728008 is an abundant number, since it is smaller than the sum of its proper divisors (12109092072).

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

8072728008 is a wasteful number, since it uses less digits than its factorization.

8072728008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336363676 (or 336363672 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 42.

The square root of 8072728008 is about 89848.3611870578. The cubic root of 8072728008 is about 2006.0423936883.

The spelling of 8072728008 in words is "eight billion, seventy-two million, seven hundred twenty-eight thousand, eight".