73109087817 has 8 divisors (see below), whose sum is σ = 97480780320. Its totient is φ = 48738393600.

The previous prime is 73109087791. The next prime is 73109087869. The reversal of 73109087817 is 71878090137.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73109087817 - 2⁸ = 73109087561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73109087817.

It is not an unprimeable number, because it can be changed into a prime (73109087017) 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 7 ways as a sum of consecutive naturals, for example, 57592 + ... + 386697.

It is an arithmetic number, because the mean of its divisors is an integer number (12185097540).

Almost surely, 2^73109087817 is an apocalyptic number.

It is an amenable number.

73109087817 is a deficient number, since it is larger than the sum of its proper divisors (24371692503).

73109087817 is a wasteful number, since it uses less digits than its factorization.

73109087817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499143.

The product of its (nonzero) digits is 592704, while the sum is 51.

The spelling of 73109087817 in words is "seventy-three billion, one hundred nine million, eighty-seven thousand, eight hundred seventeen".