73489 has 4 divisors (see below), whose sum is σ = 79156. Its totient is φ = 67824.

The previous prime is 73483. The next prime is 73517. The reversal of 73489 is 98437.

It is a happy number.

73489 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98437 = 173 ⋅569.

It can be written as a sum of positive squares in 2 ways, for example, as 33489 + 40000 = 183^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 73489 - 2⁷ = 73361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73489.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (19789).

2⁷³⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

73489 is a deficient number, since it is larger than the sum of its proper divisors (5667).

73489 is a wasteful number, since it uses less digits than its factorization.

73489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666.

The product of its digits is 6048, while the sum is 31.

The square root of 73489 is about 271.0885464198. The cubic root of 73489 is about 41.8865038565.

The spelling of 73489 in words is "seventy-three thousand, four hundred eighty-nine".