6307668 has 36 divisors (see below), whose sum is σ = 16144128. Its totient is φ = 2076240.

The previous prime is 6307661. The next prime is 6307673. The reversal of 6307668 is 8667036.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6307661) 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 11 ways as a sum of consecutive naturals, for example, 1933 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (448448).

Almost surely, 2^6307668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6307668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8072064).

6307668 is an abundant number, since it is smaller than the sum of its proper divisors (9836460).

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

6307668 is a wasteful number, since it uses less digits than its factorization.

6307668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 6307668 is about 2511.5071172505. The cubic root of 6307668 is about 184.7663766342.

The spelling of 6307668 in words is "six million, three hundred seven thousand, six hundred sixty-eight".