73189486 has 4 divisors (see below), whose sum is σ = 109784232. Its totient is φ = 36594742.

The previous prime is 73189453. The next prime is 73189489. The reversal of 73189486 is 68498137.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68498137 = 37 ⋅1851301.

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 as a sum of consecutive naturals, namely, 18297370 + ... + 18297373.

It is an arithmetic number, because the mean of its divisors is an integer number (27446058).

Almost surely, 2^73189486 is an apocalyptic number.

73189486 is a deficient number, since it is larger than the sum of its proper divisors (36594746).

73189486 is a wasteful number, since it uses less digits than its factorization.

73189486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36594745.

The product of its digits is 290304, while the sum is 46.

The square root of 73189486 is about 8555.0853882355. The cubic root of 73189486 is about 418.2952173791.

The spelling of 73189486 in words is "seventy-three million, one hundred eighty-nine thousand, four hundred eighty-six".