73456689 has 16 divisors (see below), whose sum is σ = 99107712. Its totient is φ = 48392448.

The previous prime is 73456661. The next prime is 73456697. The reversal of 73456689 is 98665437.

It is not a de Polignac number, because 73456689 - 2⁵ = 73456657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73456619) 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 15 ways as a sum of consecutive naturals, for example, 123577 + ... + 124169.

It is an arithmetic number, because the mean of its divisors is an integer number (6194232).

Almost surely, 2^73456689 is an apocalyptic number.

It is an amenable number.

73456689 is a deficient number, since it is larger than the sum of its proper divisors (25651023).

73456689 is a wasteful number, since it uses less digits than its factorization.

73456689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

The product of its digits is 1088640, while the sum is 48.

The square root of 73456689 is about 8570.6877787025. The cubic root of 73456689 is about 418.8036419289.

The spelling of 73456689 in words is "seventy-three million, four hundred fifty-six thousand, six hundred eighty-nine".