7665669 has 12 divisors (see below), whose sum is σ = 12079392. Its totient is φ = 4645800.

The previous prime is 7665667. The next prime is 7665703. The reversal of 7665669 is 9665667.

7665669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7665669 - 2¹ = 7665667 is a prime.

It is a super-2 number, since 2×7665669² = 117524962435122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7665667) 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 11 ways as a sum of consecutive naturals, for example, 38617 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (1006616).

Almost surely, 2^7665669 is an apocalyptic number.

It is an amenable number.

7665669 is a deficient number, since it is larger than the sum of its proper divisors (4413723).

7665669 is a wasteful number, since it uses less digits than its factorization.

7665669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77448 (or 77445 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 7665669 is about 2768.6944576822. The cubic root of 7665669 is about 197.1741697945.

The spelling of 7665669 in words is "seven million, six hundred sixty-five thousand, six hundred sixty-nine".