72812276063 has 16 divisors (see below), whose sum is σ = 74584203360. Its totient is φ = 71063156736.

The previous prime is 72812276023. The next prime is 72812276077. The reversal of 72812276063 is 36067221827.

It is a cyclic number.

It is not a de Polignac number, because 72812276063 - 2⁸ = 72812275807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72812276023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3703403 + ... + 3723011.

It is an arithmetic number, because the mean of its divisors is an integer number (4661512710).

Almost surely, 2^72812276063 is an apocalyptic number.

72812276063 is a deficient number, since it is larger than the sum of its proper divisors (1771927297).

72812276063 is a wasteful number, since it uses less digits than its factorization.

72812276063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 72812276063 in words is "seventy-two billion, eight hundred twelve million, two hundred seventy-six thousand, sixty-three".