73189485 has 12 divisors (see below), whose sum is σ = 126861852. Its totient is φ = 39034368.

The previous prime is 73189453. The next prime is 73189489. The reversal of 73189485 is 58498137.

It can be written as a sum of positive squares in 2 ways, for example, as 18636489 + 54552996 = 4317^2 + 7386^2 .

It is not a de Polignac number, because 73189485 - 2⁵ = 73189453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1626433 = 73189485 / (7 + 3 + 1 + 8 + 9 + 4 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 73189485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73189489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 813172 + ... + 813261.

It is an arithmetic number, because the mean of its divisors is an integer number (10571821).

Almost surely, 2^73189485 is an apocalyptic number.

It is an amenable number.

73189485 is a deficient number, since it is larger than the sum of its proper divisors (53672367).

73189485 is a wasteful number, since it uses less digits than its factorization.

73189485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626444 (or 1626441 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 73189485 is about 8555.0853297907. The cubic root of 73189485 is about 418.2952154740.

The spelling of 73189485 in words is "seventy-three million, one hundred eighty-nine thousand, four hundred eighty-five".