6620568 has 32 divisors (see below), whose sum is σ = 16623360. Its totient is φ = 2197280.

The previous prime is 6620519. The next prime is 6620587. The reversal of 6620568 is 8650266.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7021 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (519480).

Almost surely, 2^6620568 is an apocalyptic number.

It is an amenable number.

6620568 is an abundant number, since it is smaller than the sum of its proper divisors (10002792).

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

6620568 is a wasteful number, since it uses less digits than its factorization.

6620568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1203 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 6620568 is about 2573.0464434207. The cubic root of 6620568 is about 187.7723969634.

The spelling of 6620568 in words is "six million, six hundred twenty thousand, five hundred sixty-eight".