72363233663 has 12 divisors (see below), whose sum is σ = 84735115632. Its totient is φ = 61614856800.

The previous prime is 72363233653. The next prime is 72363233689. The reversal of 72363233663 is 36633236327.

It is not a de Polignac number, because 72363233663 - 2⁶ = 72363233599 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 (72363233633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4882670 + ... + 4897467.

It is an arithmetic number, because the mean of its divisors is an integer number (7061259636).

Almost surely, 2^72363233663 is an apocalyptic number.

72363233663 is a deficient number, since it is larger than the sum of its proper divisors (12371881969).

72363233663 is a wasteful number, since it uses less digits than its factorization.

72363233663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9780302 (or 9780295 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 44.

The spelling of 72363233663 in words is "seventy-two billion, three hundred sixty-three million, two hundred thirty-three thousand, six hundred sixty-three".