7668375 has 72 divisors (see below), whose sum is σ = 15187536. Its totient is φ = 3432000.

The previous prime is 7668337. The next prime is 7668389. The reversal of 7668375 is 5738667.

7668375 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 7668375 - 2²⁰ = 6619799 is a prime.

Its product of digits (211680) is a multiple of the sum of its prime divisors (32).

7668375 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 589869 + ... + 589881.

It is an arithmetic number, because the mean of its divisors is an integer number (210938).

Almost surely, 2^7668375 is an apocalyptic number.

7668375 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7668375 is a deficient number, since it is larger than the sum of its proper divisors (7519161).

7668375 is a wasteful number, since it uses less digits than its factorization.

7668375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 32 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 7668375 is about 2769.1830925383. The cubic root of 7668375 is about 197.1973680539.

The spelling of 7668375 in words is "seven million, six hundred sixty-eight thousand, three hundred seventy-five".