73115686984 has 16 divisors (see below), whose sum is σ = 137433794220. Its totient is φ = 36466675200.

The previous prime is 73115686981. The next prime is 73115687009. The reversal of 73115686984 is 48968651137.

It can be written as a sum of positive squares in 2 ways, for example, as 53800802500 + 19314884484 = 231950^2 + 138978^2 .

It is not an unprimeable number, because it can be changed into a prime (73115686981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11392629 + ... + 11399044.

Almost surely, 2^73115686984 is an apocalyptic number.

It is an amenable number.

73115686984 is a deficient number, since it is larger than the sum of its proper divisors (64318107236).

73115686984 is a wasteful number, since it uses less digits than its factorization.

73115686984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22792080 (or 22792076 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 58.

The spelling of 73115686984 in words is "seventy-three billion, one hundred fifteen million, six hundred eighty-six thousand, nine hundred eighty-four".