7668069 has 4 divisors (see below), whose sum is σ = 10224096. Its totient is φ = 5112044.

The previous prime is 7668049. The next prime is 7668079. The reversal of 7668069 is 9608667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7668069 - 2²⁰ = 6619493 is a prime.

It is a super-2 number, since 2×7668069² = 117598564377522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7668069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278009 + ... + 1278014.

It is an arithmetic number, because the mean of its divisors is an integer number (2556024).

Almost surely, 2^7668069 is an apocalyptic number.

It is an amenable number.

7668069 is a deficient number, since it is larger than the sum of its proper divisors (2556027).

7668069 is a wasteful number, since it uses less digits than its factorization.

7668069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556026.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 7668069 is about 2769.1278410359. The cubic root of 7668069 is about 197.1947450211.

The spelling of 7668069 in words is "seven million, six hundred sixty-eight thousand, sixty-nine".