73572616533 has 16 divisors (see below), whose sum is σ = 109285585920. Its totient is φ = 43714233024.

The previous prime is 73572616511. The next prime is 73572616549. The reversal of 73572616533 is 33561627537.

It is not a de Polignac number, because 73572616533 - 2¹⁴ = 73572600149 is a prime.

It is a super-3 number, since 3×73572616533³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73572616333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32524341 + ... + 32526602.

It is an arithmetic number, because the mean of its divisors is an integer number (6830349120).

Almost surely, 2^73572616533 is an apocalyptic number.

It is an amenable number.

73572616533 is a deficient number, since it is larger than the sum of its proper divisors (35712969387).

73572616533 is a wasteful number, since it uses less digits than its factorization.

73572616533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65050988.

The product of its digits is 2381400, while the sum is 48.

The spelling of 73572616533 in words is "seventy-three billion, five hundred seventy-two million, six hundred sixteen thousand, five hundred thirty-three".