7288169 has 4 divisors (see below), whose sum is σ = 8329344. Its totient is φ = 6246996.

The previous prime is 7288163. The next prime is 7288181. The reversal of 7288169 is 9618827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7288169 - 2¹² = 7284073 is a prime.

It is a super-2 number, since 2×7288169² = 106234814745122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7288163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520577 + ... + 520590.

It is an arithmetic number, because the mean of its divisors is an integer number (2082336).

Almost surely, 2^7288169 is an apocalyptic number.

It is an amenable number.

7288169 is a deficient number, since it is larger than the sum of its proper divisors (1041175).

7288169 is a wasteful number, since it uses less digits than its factorization.

7288169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041174.

The product of its digits is 48384, while the sum is 41.

The square root of 7288169 is about 2699.6609046323. The cubic root of 7288169 is about 193.8828871225.

The spelling of 7288169 in words is "seven million, two hundred eighty-eight thousand, one hundred sixty-nine".