72385633265 has 32 divisors (see below), whose sum is σ = 95077307520. Its totient is φ = 52467788800.

The previous prime is 72385633247. The next prime is 72385633267. The reversal of 72385633265 is 56233658327.

It is not a de Polignac number, because 72385633265 - 2²⁸ = 72117197809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72385633267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29947337 + ... + 29949753.

It is an arithmetic number, because the mean of its divisors is an integer number (2971165860).

Almost surely, 2^72385633265 is an apocalyptic number.

It is an amenable number.

72385633265 is a deficient number, since it is larger than the sum of its proper divisors (22691674255).

72385633265 is a wasteful number, since it uses less digits than its factorization.

72385633265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033.

The product of its digits is 5443200, while the sum is 50.

The spelling of 72385633265 in words is "seventy-two billion, three hundred eighty-five million, six hundred thirty-three thousand, two hundred sixty-five".