73566889 has 8 divisors (see below), whose sum is σ = 80405568. Its totient is φ = 66753360.

The previous prime is 73566877. The next prime is 73566919. The reversal of 73566889 is 98866537.

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 73566889 - 2¹⁵ = 73534121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73566839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124 + ... + 12130.

It is an arithmetic number, because the mean of its divisors is an integer number (10050696).

Almost surely, 2^73566889 is an apocalyptic number.

It is an amenable number.

73566889 is a deficient number, since it is larger than the sum of its proper divisors (6838679).

73566889 is a wasteful number, since it uses less digits than its factorization.

73566889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575.

The product of its digits is 2177280, while the sum is 52.

The square root of 73566889 is about 8577.1142583039. The cubic root of 73566889 is about 419.0129675509.

The spelling of 73566889 in words is "seventy-three million, five hundred sixty-six thousand, eight hundred eighty-nine".