27072350512 has 80 divisors (see below), whose sum is σ = 55838613600. Its totient is φ = 12692449280.

The previous prime is 27072350497. The next prime is 27072350533. The reversal of 27072350512 is 21505327072.

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, 4315314 + ... + 4321582.

It is an arithmetic number, because the mean of its divisors is an integer number (697982670).

Almost surely, 2^27072350512 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 27072350512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27919306800).

27072350512 is an abundant number, since it is smaller than the sum of its proper divisors (28766263088).

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

27072350512 is a wasteful number, since it uses less digits than its factorization.

27072350512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574 (or 6568 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

Adding to 27072350512 its reverse (21505327072), we get a palindrome (48577677584).

The spelling of 27072350512 in words is "twenty-seven billion, seventy-two million, three hundred fifty thousand, five hundred twelve".