73812186 has 48 divisors (see below), whose sum is σ = 185889600. Its totient is φ = 20729664.

The previous prime is 73812161. The next prime is 73812191. The reversal of 73812186 is 68121837.

It is a self number, because there is not a number n which added to its sum of digits gives 73812186.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2470 + ... + 12398.

It is an arithmetic number, because the mean of its divisors is an integer number (3872700).

Almost surely, 2^73812186 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73812186, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92944800).

73812186 is an abundant number, since it is smaller than the sum of its proper divisors (112077414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73812186 is a wasteful number, since it uses less digits than its factorization.

73812186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003 (or 10000 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 73812186 is about 8591.4018646552. The cubic root of 73812186 is about 419.4781614221.

The spelling of 73812186 in words is "seventy-three million, eight hundred twelve thousand, one hundred eighty-six".