73538289 has 24 divisors (see below), whose sum is σ = 116348544. Its totient is φ = 44388000.

The previous prime is 73538279. The next prime is 73538317. The reversal of 73538289 is 98283537.

It is not a de Polignac number, because 73538289 - 2⁷ = 73538161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73538279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25459 + ... + 28199.

It is an arithmetic number, because the mean of its divisors is an integer number (4847856).

Almost surely, 2^73538289 is an apocalyptic number.

It is an amenable number.

73538289 is a deficient number, since it is larger than the sum of its proper divisors (42810255).

73538289 is a wasteful number, since it uses less digits than its factorization.

73538289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029 (or 3026 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 73538289 is about 8575.4468688226. The cubic root of 73538289 is about 418.9586617606.

The spelling of 73538289 in words is "seventy-three million, five hundred thirty-eight thousand, two hundred eighty-nine".