7668894 has 16 divisors (see below), whose sum is σ = 16145280. Its totient is φ = 2421720.

The previous prime is 7668893. The next prime is 7668901. The reversal of 7668894 is 4988667.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7668893) 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 7 ways as a sum of consecutive naturals, for example, 33522 + ... + 33749.

It is an arithmetic number, because the mean of its divisors is an integer number (1009080).

Almost surely, 2^7668894 is an apocalyptic number.

7668894 is an abundant number, since it is smaller than the sum of its proper divisors (8476386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7668894 is a wasteful number, since it uses less digits than its factorization.

7668894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67295.

The product of its digits is 580608, while the sum is 48.

The square root of 7668894 is about 2769.2768008995. The cubic root of 7668894 is about 197.2018167637.

The spelling of 7668894 in words is "seven million, six hundred sixty-eight thousand, eight hundred ninety-four".