6605072 has 20 divisors (see below), whose sum is σ = 13040460. Its totient is φ = 3239808.

The previous prime is 6605041. The next prime is 6605089. The reversal of 6605072 is 2705066.

It can be written as a sum of positive squares in 2 ways, for example, as 4343056 + 2262016 = 2084^2 + 1504^2 .

It is a super-2 number, since 2×6605072² = 87253952250368, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (652023).

Almost surely, 2^6605072 is an apocalyptic number.

It is an amenable number.

6605072 is a deficient number, since it is larger than the sum of its proper divisors (6435388).

6605072 is a wasteful number, since it uses less digits than its factorization.

6605072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7850 (or 7844 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 6605072 is about 2570.0334628172. The cubic root of 6605072 is about 187.6257834518.

The spelling of 6605072 in words is "six million, six hundred five thousand, seventy-two".