7273161 has 24 divisors (see below), whose sum is σ = 12714624. Its totient is φ = 3911040.

The previous prime is 7273159. The next prime is 7273177. The reversal of 7273161 is 1613727.

It is not a de Polignac number, because 7273161 - 2¹ = 7273159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7273151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2325 + ... + 4466.

It is an arithmetic number, because the mean of its divisors is an integer number (529776).

Almost surely, 2^7273161 is an apocalyptic number.

It is an amenable number.

7273161 is a deficient number, since it is larger than the sum of its proper divisors (5441463).

7273161 is a wasteful number, since it uses less digits than its factorization.

7273161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6818 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 7273161 is about 2696.8798638427. The cubic root of 7273161 is about 193.7497126600.

Adding to 7273161 its reverse (1613727), we get a palindrome (8886888).

The spelling of 7273161 in words is "seven million, two hundred seventy-three thousand, one hundred sixty-one".