6668734 has 8 divisors (see below), whose sum is σ = 10529640. Its totient is φ = 3158856.

The previous prime is 6668731. The next prime is 6668737. The reversal of 6668734 is 4378666.

It is an interprime number because it is at equal distance from previous prime (6668731) and next prime (6668737).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6668731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87709 + ... + 87784.

It is an arithmetic number, because the mean of its divisors is an integer number (1316205).

Almost surely, 2^6668734 is an apocalyptic number.

6668734 is a deficient number, since it is larger than the sum of its proper divisors (3860906).

6668734 is a wasteful number, since it uses less digits than its factorization.

6668734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175514.

The product of its digits is 145152, while the sum is 40.

The square root of 6668734 is about 2582.3892038188. The cubic root of 6668734 is about 188.2266581171.

The spelling of 6668734 in words is "six million, six hundred sixty-eight thousand, seven hundred thirty-four".