73531589 has 8 divisors (see below), whose sum is σ = 74259360. Its totient is φ = 72807696.

The previous prime is 73531583. The next prime is 73531639. The reversal of 73531589 is 98513537.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73531589 - 2²⁰ = 72483013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73531583) 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, 48842 + ... + 50324.

It is an arithmetic number, because the mean of its divisors is an integer number (9282420).

Almost surely, 2^73531589 is an apocalyptic number.

It is an amenable number.

73531589 is a deficient number, since it is larger than the sum of its proper divisors (727771).

73531589 is a wasteful number, since it uses less digits than its factorization.

73531589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939.

The product of its digits is 113400, while the sum is 41.

The square root of 73531589 is about 8575.0562097283. The cubic root of 73531589 is about 418.9459377392.

The spelling of 73531589 in words is "seventy-three million, five hundred thirty-one thousand, five hundred eighty-nine".