7065669 has 16 divisors (see below), whose sum is σ = 10588032. Its totient is φ = 4158528.

The previous prime is 7065649. The next prime is 7065671. The reversal of 7065669 is 9665607.

It is a happy number.

It is not a de Polignac number, because 7065669 - 2⁵ = 7065637 is a prime.

It is a super-2 number, since 2×7065669² = 99847356835122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7065629) 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 15 ways as a sum of consecutive naturals, for example, 3042 + ... + 4835.

It is an arithmetic number, because the mean of its divisors is an integer number (661752).

Almost surely, 2^7065669 is an apocalyptic number.

It is an amenable number.

7065669 is a deficient number, since it is larger than the sum of its proper divisors (3522363).

7065669 is a wasteful number, since it uses less digits than its factorization.

7065669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7916.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 7065669 is about 2658.1326152019. The cubic root of 7065669 is about 191.8894491625.

It can be divided in two parts, 70656 and 69, that multiplied together give a square (4875264 = 2208²).

The spelling of 7065669 in words is "seven million, sixty-five thousand, six hundred sixty-nine".