6647662 has 16 divisors (see below), whose sum is σ = 11437920. Its totient is φ = 2838528.

The previous prime is 6647657. The next prime is 6647681. The reversal of 6647662 is 2667466.

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, 4014 + ... + 5422.

It is an arithmetic number, because the mean of its divisors is an integer number (714870).

Almost surely, 2^6647662 is an apocalyptic number.

6647662 is a deficient number, since it is larger than the sum of its proper divisors (4790258).

6647662 is a wasteful number, since it uses less digits than its factorization.

6647662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755.

The product of its digits is 72576, while the sum is 37.

The square root of 6647662 is about 2578.3060330380. The cubic root of 6647662 is about 188.0281948056.

The spelling of 6647662 in words is "six million, six hundred forty-seven thousand, six hundred sixty-two".