6674728637 has 8 divisors (see below), whose sum is σ = 6942642432. Its totient is φ = 6410102400.

The previous prime is 6674728607. The next prime is 6674728661. The reversal of 6674728637 is 7368274766.

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

It is a cyclic number.

It is not a de Polignac number, because 6674728637 - 2⁸ = 6674728381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6674728607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817748 + ... + 825869.

It is an arithmetic number, because the mean of its divisors is an integer number (867830304).

Almost surely, 2^6674728637 is an apocalyptic number.

It is an amenable number.

6674728637 is a deficient number, since it is larger than the sum of its proper divisors (267913795).

6674728637 is a wasteful number, since it uses less digits than its factorization.

6674728637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643779.

The product of its digits is 14224896, while the sum is 56.

The square root of 6674728637 is about 81699.0124603719. The cubic root of 6674728637 is about 1882.8304126072.

The spelling of 6674728637 in words is "six billion, six hundred seventy-four million, seven hundred twenty-eight thousand, six hundred thirty-seven".