72336971859 has 32 divisors (see below), whose sum is σ = 101514954240. Its totient is φ = 45729835008.

The previous prime is 72336971849. The next prime is 72336971909. The reversal of 72336971859 is 95817963327.

It is not a de Polignac number, because 72336971859 - 2⁴ = 72336971843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72336971849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3892612 + ... + 3911150.

It is an arithmetic number, because the mean of its divisors is an integer number (3172342320).

Almost surely, 2^72336971859 is an apocalyptic number.

72336971859 is a deficient number, since it is larger than the sum of its proper divisors (29177982381).

72336971859 is a wasteful number, since it uses less digits than its factorization.

72336971859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19051.

The product of its digits is 17146080, while the sum is 60.

The spelling of 72336971859 in words is "seventy-two billion, three hundred thirty-six million, nine hundred seventy-one thousand, eight hundred fifty-nine".