6647674 has 8 divisors (see below), whose sum is σ = 10878048. Its totient is φ = 3021660.

The previous prime is 6647657. The next prime is 6647681. The reversal of 6647674 is 4767466.

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

It is a super-2 number, since 2×6647674² = 88383139220552, which contains 22 as substring.

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, 151062 + ... + 151105.

It is an arithmetic number, because the mean of its divisors is an integer number (1359756).

Almost surely, 2^6647674 is an apocalyptic number.

6647674 is a deficient number, since it is larger than the sum of its proper divisors (4230374).

6647674 is a wasteful number, since it uses less digits than its factorization.

6647674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302180.

The product of its digits is 169344, while the sum is 40.

The square root of 6647674 is about 2578.3083601462. The cubic root of 6647674 is about 188.0283079450.

It can be divided in two parts, 664 and 7674, that added together give a palindrome (8338).

The spelling of 6647674 in words is "six million, six hundred forty-seven thousand, six hundred seventy-four".