73289 has 4 divisors (see below), whose sum is σ = 74256. Its totient is φ = 72324.

The previous prime is 73277. The next prime is 73291. The reversal of 73289 is 98237.

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, and also an emirpimes, since its reverse is a distinct semiprime: 98237 = 193 ⋅509.

It is a cyclic number.

It is not a de Polignac number, because 73289 - 2¹² = 69193 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (73259) 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, 359 + ... + 524.

It is an arithmetic number, because the mean of its divisors is an integer number (18564).

2⁷³²⁸⁹ is an apocalyptic number.

It is an amenable number.

73289 is a deficient number, since it is larger than the sum of its proper divisors (967).

73289 is an equidigital number, since it uses as much as digits as its factorization.

73289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 3024, while the sum is 29.

The square root of 73289 is about 270.7194119379. The cubic root of 73289 is about 41.8484713534.

It can be divided in two parts, 7328 and 9, that added together give a palindrome (7337).

The spelling of 73289 in words is "seventy-three thousand, two hundred eighty-nine".