6607690 has 8 divisors (see below), whose sum is σ = 11893860. Its totient is φ = 2643072.

The previous prime is 6607673. The next prime is 6607697. The reversal of 6607690 is 967066.

It can be written as a sum of positive squares in 2 ways, for example, as 5621641 + 986049 = 2371^2 + 993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6607690² = 87323134272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6607697) 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 3 ways as a sum of consecutive naturals, for example, 330375 + ... + 330394.

Almost surely, 2^6607690 is an apocalyptic number.

6607690 is a deficient number, since it is larger than the sum of its proper divisors (5286170).

6607690 is a wasteful number, since it uses less digits than its factorization.

6607690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660776.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 6607690 is about 2570.5427442468. The cubic root of 6607690 is about 187.6505694252.

It can be divided in two parts, 66076 and 90, that added together give a palindrome (66166).

The spelling of 6607690 in words is "six million, six hundred seven thousand, six hundred ninety".