73405052185 has 8 divisors (see below), whose sum is σ = 88089009480. Its totient is φ = 58722077184.

The previous prime is 73405052183. The next prime is 73405052209. The reversal of 73405052185 is 58125050437.

It can be written as a sum of positive squares in 4 ways, for example, as 38055035929 + 35350016256 = 195077^2 + 188016^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 73405052185 - 2¹ = 73405052183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73405052183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69720 + ... + 389449.

It is an arithmetic number, because the mean of its divisors is an integer number (11011126185).

Almost surely, 2^73405052185 is an apocalyptic number.

It is an amenable number.

73405052185 is a deficient number, since it is larger than the sum of its proper divisors (14683957295).

73405052185 is a wasteful number, since it uses less digits than its factorization.

73405052185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491147.

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 73405052185 in words is "seventy-three billion, four hundred five million, fifty-two thousand, one hundred eighty-five".