7289766 has 36 divisors (see below), whose sum is σ = 17366076. Its totient is φ = 2208360.

The previous prime is 7289741. The next prime is 7289767. The reversal of 7289766 is 6679827.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7289767) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 505 + ... + 3851.

It is an arithmetic number, because the mean of its divisors is an integer number (482391).

Almost surely, 2^7289766 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7289766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8683038).

7289766 is an abundant number, since it is smaller than the sum of its proper divisors (10076310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7289766 is a wasteful number, since it uses less digits than its factorization.

7289766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3363 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 7289766 is about 2699.9566663189. The cubic root of 7289766 is about 193.8970474399.

The spelling of 7289766 in words is "seven million, two hundred eighty-nine thousand, seven hundred sixty-six".