7288766 has 8 divisors (see below), whose sum is σ = 11041704. Its totient is φ = 3608200.

The previous prime is 7288763. The next prime is 7288817. The reversal of 7288766 is 6678827.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7288766² = 106252219605512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17840 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (1380213).

Almost surely, 2^7288766 is an apocalyptic number.

7288766 is a deficient number, since it is larger than the sum of its proper divisors (3752938).

7288766 is a wasteful number, since it uses less digits than its factorization.

7288766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36186.

The product of its digits is 225792, while the sum is 44.

The square root of 7288766 is about 2699.7714718102. The cubic root of 7288766 is about 193.8881808583. Note that the first 3 decimals are identical.

The spelling of 7288766 in words is "seven million, two hundred eighty-eight thousand, seven hundred sixty-six".