7288816 has 30 divisors (see below), whose sum is σ = 14528336. Its totient is φ = 3542400.

The previous prime is 7288763. The next prime is 7288817. The reversal of 7288816 is 6188827.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26761 + ... + 27031.

Almost surely, 2^7288816 is an apocalyptic number.

It is an amenable number.

7288816 is a deficient number, since it is larger than the sum of its proper divisors (7239520).

7288816 is a wasteful number, since it uses less digits than its factorization.

7288816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361 (or 314 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 7288816 is about 2699.7807318373. The cubic root of 7288816 is about 193.8886242066. Note that the first 3 decimals are identical.

It can be divided in two parts, 72 and 88816, that added together give a palindrome (88888).

The spelling of 7288816 in words is "seven million, two hundred eighty-eight thousand, eight hundred sixteen".