73705161 has 16 divisors (see below), whose sum is σ = 103658240. Its totient is φ = 46455120.

The previous prime is 73705157. The next prime is 73705169. The reversal of 73705161 is 16150737.

It is not a de Polignac number, because 73705161 - 2² = 73705157 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73705169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35646 + ... + 37656.

It is an arithmetic number, because the mean of its divisors is an integer number (6478640).

Almost surely, 2^73705161 is an apocalyptic number.

It is an amenable number.

73705161 is a deficient number, since it is larger than the sum of its proper divisors (29953079).

73705161 is a wasteful number, since it uses less digits than its factorization.

73705161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 73705161 is about 8585.1709942202. The cubic root of 73705161 is about 419.2753206325.

Adding to 73705161 its reverse (16150737), we get a palindrome (89855898).

The spelling of 73705161 in words is "seventy-three million, seven hundred five thousand, one hundred sixty-one".