7689764 has 12 divisors (see below), whose sum is σ = 13743744. Its totient is φ = 3762984.

The previous prime is 7689761. The next prime is 7689779. The reversal of 7689764 is 4679867.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (7689761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20264 + ... + 20639.

It is an arithmetic number, because the mean of its divisors is an integer number (1145312).

Almost surely, 2^7689764 is an apocalyptic number.

It is an amenable number.

7689764 is a deficient number, since it is larger than the sum of its proper divisors (6053980).

7689764 is a wasteful number, since it uses less digits than its factorization.

7689764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40954 (or 40952 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 7689764 is about 2773.0423725576. The cubic root of 7689764 is about 197.3805419781.

The spelling of 7689764 in words is "seven million, six hundred eighty-nine thousand, seven hundred sixty-four".