73285861606 has 4 divisors (see below), whose sum is σ = 109928792412. Its totient is φ = 36642930802.

The previous prime is 73285861601. The next prime is 73285861667. The reversal of 73285861606 is 60616858237.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×73285861606² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73285861601) 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, 18321465400 + ... + 18321465403.

It is an arithmetic number, because the mean of its divisors is an integer number (27482198103).

Almost surely, 2^73285861606 is an apocalyptic number.

73285861606 is a deficient number, since it is larger than the sum of its proper divisors (36642930806).

73285861606 is a wasteful number, since it uses less digits than its factorization.

73285861606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36642930805.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 73285861606 in words is "seventy-three billion, two hundred eighty-five million, eight hundred sixty-one thousand, six hundred six".