6437968 has 20 divisors (see below), whose sum is σ = 13207860. Its totient is φ = 3029504.

The previous prime is 6437957. The next prime is 6437969. The reversal of 6437968 is 8697346.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3655744 + 2782224 = 1912^2 + 1668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6437969) 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, 11563 + ... + 12106.

It is an arithmetic number, because the mean of its divisors is an integer number (660393).

Almost surely, 2^6437968 is an apocalyptic number.

6437968 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6437968 is an abundant number, since it is smaller than the sum of its proper divisors (6769892).

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

6437968 is a wasteful number, since it uses less digits than its factorization.

6437968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23694 (or 23688 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 6437968 is about 2537.3151164174. The cubic root of 6437968 is about 186.0299793662.

The spelling of 6437968 in words is "six million, four hundred thirty-seven thousand, nine hundred sixty-eight".