7288605 has 12 divisors (see below), whose sum is σ = 12633660. Its totient is φ = 3887232.

The previous prime is 7288601. The next prime is 7288607. The reversal of 7288605 is 5068827.

It can be written as a sum of positive squares in 2 ways, for example, as 1855044 + 5433561 = 1362^2 + 2331^2 .

It is not a de Polignac number, because 7288605 - 2² = 7288601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7288605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288601) 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, 80940 + ... + 81029.

It is an arithmetic number, because the mean of its divisors is an integer number (1052805).

Almost surely, 2^7288605 is an apocalyptic number.

It is an amenable number.

7288605 is a deficient number, since it is larger than the sum of its proper divisors (5345055).

7288605 is a wasteful number, since it uses less digits than its factorization.

7288605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161980 (or 161977 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 7288605 is about 2699.7416543069. The cubic root of 7288605 is about 193.8867532629.

The spelling of 7288605 in words is "seven million, two hundred eighty-eight thousand, six hundred five".