6507668 has 12 divisors (see below), whose sum is σ = 12058452. Its totient is φ = 3062400.

The previous prime is 6507661. The next prime is 6507673. The reversal of 6507668 is 8667056.

It can be written as a sum of positive squares in 2 ways, for example, as 3452164 + 3055504 = 1858^2 + 1748^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6507661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47783 + ... + 47918.

It is an arithmetic number, because the mean of its divisors is an integer number (1004871).

Almost surely, 2^6507668 is an apocalyptic number.

6507668 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6507668 is a deficient number, since it is larger than the sum of its proper divisors (5550784).

6507668 is a wasteful number, since it uses less digits than its factorization.

6507668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95722 (or 95720 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 6507668 is about 2551.0131320713. The cubic root of 6507668 is about 186.6989159134.

The spelling of 6507668 in words is "six million, five hundred seven thousand, six hundred sixty-eight".