72263539356 has 12 divisors (see below), whose sum is σ = 168614925192. Its totient is φ = 24087846448.

The previous prime is 72263539349. The next prime is 72263539441. The reversal of 72263539356 is 65393536227.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 72263539299 and 72263539308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3010980795 + ... + 3010980818.

It is an arithmetic number, because the mean of its divisors is an integer number (14051243766).

Almost surely, 2^72263539356 is an apocalyptic number.

It is an amenable number.

72263539356 is an abundant number, since it is smaller than the sum of its proper divisors (96351385836).

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

72263539356 is a wasteful number, since it uses less digits than its factorization.

72263539356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021961620 (or 6021961618 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 51.

The spelling of 72263539356 in words is "seventy-two billion, two hundred sixty-three million, five hundred thirty-nine thousand, three hundred fifty-six".