6665748 has 24 divisors (see below), whose sum is σ = 15707328. Its totient is φ = 2199936.

The previous prime is 6665741. The next prime is 6665773. The reversal of 6665748 is 8475666.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665741) 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, 1461 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (654472).

Almost surely, 2^6665748 is an apocalyptic number.

It is an amenable number.

6665748 is an abundant number, since it is smaller than the sum of its proper divisors (9041580).

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

6665748 is a wasteful number, since it uses less digits than its factorization.

6665748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5503 (or 5501 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 6665748 is about 2581.8109923075. The cubic root of 6665748 is about 188.1985603948.

The spelling of 6665748 in words is "six million, six hundred sixty-five thousand, seven hundred forty-eight".