73108689 has 4 divisors (see below), whose sum is σ = 97478256. Its totient is φ = 48739124.

The previous prime is 73108669. The next prime is 73108691. The reversal of 73108689 is 98680137.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73108689 - 2¹³ = 73100497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73108689.

It is not an unprimeable number, because it can be changed into a prime (73108649) 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 3 ways as a sum of consecutive naturals, for example, 12184779 + ... + 12184784.

It is an arithmetic number, because the mean of its divisors is an integer number (24369564).

Almost surely, 2^73108689 is an apocalyptic number.

It is an amenable number.

73108689 is a deficient number, since it is larger than the sum of its proper divisors (24369567).

73108689 is a wasteful number, since it uses less digits than its factorization.

73108689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24369566.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 73108689 is about 8550.3619221645. The cubic root of 73108689 is about 418.1412360501.

The spelling of 73108689 in words is "seventy-three million, one hundred eight thousand, six hundred eighty-nine".