72111583296 has 189 divisors, whose sum is σ = 211089841599. Its totient is φ = 23536643328.

The previous prime is 72111583289. The next prime is 72111583303. The reversal of 72111583296 is 69238511127.

The square root of 72111583296 is 268536.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (72111583289) and next prime (72111583303).

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 431805805 + ... + 431805971.

Almost surely, 2^72111583296 is an apocalyptic number.

72111583296 is the 268536-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72111583296

72111583296 is an abundant number, since it is smaller than the sum of its proper divisors (138978258303).

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

72111583296 is an equidigital number, since it uses as much as digits as its factorization.

72111583296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 239 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 72111583296 in words is "seventy-two billion, one hundred eleven million, five hundred eighty-three thousand, two hundred ninety-six".