73913289 has 8 divisors (see below), whose sum is σ = 98636160. Its totient is φ = 49232976.

The previous prime is 73913267. The next prime is 73913291. The reversal of 73913289 is 98231937.

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

It is not a de Polignac number, because 73913289 - 2¹¹ = 73911241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73913289.

It is not an unprimeable number, because it can be changed into a prime (73913209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 13710.

It is an arithmetic number, because the mean of its divisors is an integer number (12329520).

Almost surely, 2^73913289 is an apocalyptic number.

It is an amenable number.

73913289 is a deficient number, since it is larger than the sum of its proper divisors (24722871).

73913289 is a wasteful number, since it uses less digits than its factorization.

73913289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21279.

The product of its digits is 81648, while the sum is 42.

The square root of 73913289 is about 8597.2838152523. The cubic root of 73913289 is about 419.6695984277.

It can be divided in two parts, 739 and 13289, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 73913289 in words is "seventy-three million, nine hundred thirteen thousand, two hundred eighty-nine".