72673133518 has 16 divisors (see below), whose sum is σ = 110475865440. Its totient is φ = 35849632896.

The previous prime is 72673133503. The next prime is 72673133527. The reversal of 72673133518 is 81533137627.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 365346 + ... + 528037.

It is an arithmetic number, because the mean of its divisors is an integer number (6904741590).

Almost surely, 2^72673133518 is an apocalyptic number.

72673133518 is a deficient number, since it is larger than the sum of its proper divisors (37802731922).

72673133518 is a wasteful number, since it uses less digits than its factorization.

72673133518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893931.

The product of its digits is 635040, while the sum is 46.

The spelling of 72673133518 in words is "seventy-two billion, six hundred seventy-three million, one hundred thirty-three thousand, five hundred eighteen".