72445112336 has 40 divisors (see below), whose sum is σ = 143234932824. Its totient is φ = 35483402240.

The previous prime is 72445112273. The next prime is 72445112353. The reversal of 72445112336 is 63321154427.

It can be written as a sum of positive squares in 4 ways, for example, as 29949763600 + 42495348736 = 173060^2 + 206144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72445112336.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476930 + ... + 610206.

Almost surely, 2^72445112336 is an apocalyptic number.

It is an amenable number.

72445112336 is a deficient number, since it is larger than the sum of its proper divisors (70789820488).

72445112336 is a wasteful number, since it uses less digits than its factorization.

72445112336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133979 (or 133973 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The spelling of 72445112336 in words is "seventy-two billion, four hundred forty-five million, one hundred twelve thousand, three hundred thirty-six".