72032396563 has 4 divisors (see below), whose sum is σ = 72045549040. Its totient is φ = 72019244088.

The previous prime is 72032396539. The next prime is 72032396603. The reversal of 72032396563 is 36569323027.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36569323027 = 3079 ⋅11877013.

It is a cyclic number.

It is not a de Polignac number, because 72032396563 - 2²⁵ = 71998842131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72032396503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6568020 + ... + 6578977.

It is an arithmetic number, because the mean of its divisors is an integer number (18011387260).

Almost surely, 2^72032396563 is an apocalyptic number.

72032396563 is a deficient number, since it is larger than the sum of its proper divisors (13152477).

72032396563 is a wasteful number, since it uses less digits than its factorization.

72032396563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13152476.

The product of its (nonzero) digits is 1224720, while the sum is 46.

The spelling of 72032396563 in words is "seventy-two billion, thirty-two million, three hundred ninety-six thousand, five hundred sixty-three".