73567489 has 8 divisors (see below), whose sum is σ = 76212360. Its totient is φ = 70963200.

The previous prime is 73567469. The next prime is 73567499. The reversal of 73567489 is 98476537.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36864 + 73530625 = 192^2 + 8575^2 .

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 73567489 - 2⁵ = 73567457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73567469) 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, 6432 + ... + 13729.

It is an arithmetic number, because the mean of its divisors is an integer number (9526545).

Almost surely, 2^73567489 is an apocalyptic number.

It is an amenable number.

73567489 is a deficient number, since it is larger than the sum of its proper divisors (2644871).

73567489 is a wasteful number, since it uses less digits than its factorization.

73567489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20291.

The product of its digits is 1270080, while the sum is 49.

The square root of 73567489 is about 8577.1492350314. The cubic root of 73567489 is about 419.0141066825.

The spelling of 73567489 in words is "seventy-three million, five hundred sixty-seven thousand, four hundred eighty-nine".