73085566 has 8 divisors (see below), whose sum is σ = 109723824. Its totient is φ = 36510960.

The previous prime is 73085563. The next prime is 73085581. The reversal of 73085566 is 66558037.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73085561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930 + ... + 17701.

It is an arithmetic number, because the mean of its divisors is an integer number (13715478).

Almost surely, 2^73085566 is an apocalyptic number.

73085566 is a deficient number, since it is larger than the sum of its proper divisors (36638258).

73085566 is a wasteful number, since it uses less digits than its factorization.

73085566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31826.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 73085566 is about 8549.0096502460. The cubic root of 73085566 is about 418.0971478145.

The spelling of 73085566 in words is "seventy-three million, eighty-five thousand, five hundred sixty-six".