73161 has 12 divisors (see below), whose sum is σ = 115440. Its totient is φ = 44280.

The previous prime is 73141. The next prime is 73181. The reversal of 73161 is 16137.

It is an interprime number because it is at equal distance from previous prime (73141) and next prime (73181).

It is not a de Polignac number, because 73161 - 2⁹ = 72649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271 + ... + 468.

It is an arithmetic number, because the mean of its divisors is an integer number (9620).

2⁷³¹⁶¹ is an apocalyptic number.

It is an amenable number.

73161 is a deficient number, since it is larger than the sum of its proper divisors (42279).

73161 is a wasteful number, since it uses less digits than its factorization.

73161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756 (or 753 counting only the distinct ones).

The product of its digits is 126, while the sum is 18.

The square root of 73161 is about 270.4829014929. The cubic root of 73161 is about 41.8240942262.

Adding to 73161 its reverse (16137), we get a palindrome (89298).

The spelling of 73161 in words is "seventy-three thousand, one hundred sixty-one".