7288997 has 4 divisors (see below), whose sum is σ = 7397856. Its totient is φ = 7180140.

The previous prime is 7288993. The next prime is 7289003. The reversal of 7288997 is 7998827.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 7288997 - 2² = 7288993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54329 + ... + 54462.

It is an arithmetic number, because the mean of its divisors is an integer number (1849464).

Almost surely, 2^7288997 is an apocalyptic number.

It is an amenable number.

7288997 is a deficient number, since it is larger than the sum of its proper divisors (108859).

7288997 is a wasteful number, since it uses less digits than its factorization.

7288997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108858.

The product of its digits is 508032, while the sum is 50.

The square root of 7288997 is about 2699.8142528700. The cubic root of 7288997 is about 193.8902291107.

The spelling of 7288997 in words is "seven million, two hundred eighty-eight thousand, nine hundred ninety-seven".