72136533352 has 32 divisors (see below), whose sum is σ = 147711876480. Its totient is φ = 32824854720.

The previous prime is 72136533349. The next prime is 72136533353. The reversal of 72136533352 is 25333563127.

It is not an unprimeable number, because it can be changed into a prime (72136533353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4877268 + ... + 4892035.

It is an arithmetic number, because the mean of its divisors is an integer number (4615996140).

Almost surely, 2^72136533352 is an apocalyptic number.

It is an amenable number.

72136533352 is an abundant number, since it is smaller than the sum of its proper divisors (75575343128).

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

72136533352 is a wasteful number, since it uses less digits than its factorization.

72136533352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9769393 (or 9769389 counting only the distinct ones).

The product of its digits is 340200, while the sum is 40.

The spelling of 72136533352 in words is "seventy-two billion, one hundred thirty-six million, five hundred thirty-three thousand, three hundred fifty-two".