6375666 has 16 divisors (see below), whose sum is σ = 13910688. Its totient is φ = 1932000.

The previous prime is 6375647. The next prime is 6375667. The reversal of 6375666 is 6665736.

It is not an unprimeable number, because it can be changed into a prime (6375667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48235 + ... + 48366.

It is an arithmetic number, because the mean of its divisors is an integer number (869418).

Almost surely, 2^6375666 is an apocalyptic number.

6375666 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6375666 is an abundant number, since it is smaller than the sum of its proper divisors (7535022).

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

6375666 is a wasteful number, since it uses less digits than its factorization.

6375666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96617.

The product of its digits is 136080, while the sum is 39.

The square root of 6375666 is about 2525.0081187988. The cubic root of 6375666 is about 185.4279452691.

The spelling of 6375666 in words is "six million, three hundred seventy-five thousand, six hundred sixty-six".