6625768 has 8 divisors (see below), whose sum is σ = 12423330. Its totient is φ = 3312880.

The previous prime is 6625747. The next prime is 6625769. The reversal of 6625768 is 8675266.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 3232804 = 1842^2 + 1798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 6625768.

It is not an unprimeable number, because it can be changed into a prime (6625769) 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 as a sum of consecutive naturals, namely, 414103 + ... + 414118.

Almost surely, 2^6625768 is an apocalyptic number.

It is an amenable number.

6625768 is a deficient number, since it is larger than the sum of its proper divisors (5797562).

6625768 is a wasteful number, since it uses less digits than its factorization.

6625768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828227 (or 828223 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 6625768 is about 2574.0567204318. The cubic root of 6625768 is about 187.8215448582.

The spelling of 6625768 in words is "six million, six hundred twenty-five thousand, seven hundred sixty-eight".