6668379 has 24 divisors (see below), whose sum is σ = 10247760. Its totient is φ = 4285440.

The previous prime is 6668377. The next prime is 6668381. The reversal of 6668379 is 9738666.

It is an interprime number because it is at equal distance from previous prime (6668377) and next prime (6668381).

It is not a de Polignac number, because 6668379 - 2¹ = 6668377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6668377) 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 23 ways as a sum of consecutive naturals, for example, 25819 + ... + 26075.

It is an arithmetic number, because the mean of its divisors is an integer number (426990).

Almost surely, 2^6668379 is an apocalyptic number.

6668379 is a deficient number, since it is larger than the sum of its proper divisors (3579381).

6668379 is a wasteful number, since it uses less digits than its factorization.

6668379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 291 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 6668379 is about 2582.3204681062. The cubic root of 6668379 is about 188.2233180704.

It can be divided in two parts, 666 and 8379, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 6668379 in words is "six million, six hundred sixty-eight thousand, three hundred seventy-nine".