73170161 has 8 divisors (see below), whose sum is σ = 76293120. Its totient is φ = 70087248.

The previous prime is 73170109. The next prime is 73170169. The reversal of 73170161 is 16107137.

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 73170161 - 2²² = 68975857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73170161.

It is not an unprimeable number, because it can be changed into a prime (73170169) 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, 6251 + ... + 13616.

It is an arithmetic number, because the mean of its divisors is an integer number (9536640).

Almost surely, 2^73170161 is an apocalyptic number.

It is an amenable number.

73170161 is a deficient number, since it is larger than the sum of its proper divisors (3122959).

73170161 is a wasteful number, since it uses less digits than its factorization.

73170161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 73170161 is about 8553.9558684856. The cubic root of 73170161 is about 418.2583984903.

Adding to 73170161 its reverse (16107137), we get a palindrome (89277298).

The spelling of 73170161 in words is "seventy-three million, one hundred seventy thousand, one hundred sixty-one".