7669689 has 8 divisors (see below), whose sum is σ = 10325952. Its totient is φ = 5063280.

The previous prime is 7669687. The next prime is 7669699. The reversal of 7669689 is 9869667.

It is a happy number.

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

It is not a de Polignac number, because 7669689 - 2¹ = 7669687 is a prime.

It is a super-3 number, since 3×7669689³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7669681) 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 7 ways as a sum of consecutive naturals, for example, 12102 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (1290744).

Almost surely, 2^7669689 is an apocalyptic number.

It is an amenable number.

7669689 is a deficient number, since it is larger than the sum of its proper divisors (2656263).

7669689 is a wasteful number, since it uses less digits than its factorization.

7669689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24927.

The product of its digits is 979776, while the sum is 51.

The square root of 7669689 is about 2769.4203364603. The cubic root of 7669689 is about 197.2086308722.

The spelling of 7669689 in words is "seven million, six hundred sixty-nine thousand, six hundred eighty-nine".