6674857 has 4 divisors (see below), whose sum is σ = 7628416. Its totient is φ = 5721300.

The previous prime is 6674839. The next prime is 6674881. The reversal of 6674857 is 7584766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6674857 - 2¹⁵ = 6642089 is a prime.

It is a d-powerful number, because it can be written as 6² + 6⁵ + 7⁷ + 4³ + 8³ + 5⁷ + 7⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6674357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476769 + ... + 476782.

It is an arithmetic number, because the mean of its divisors is an integer number (1907104).

Almost surely, 2^6674857 is an apocalyptic number.

It is an amenable number.

6674857 is a deficient number, since it is larger than the sum of its proper divisors (953559).

6674857 is an equidigital number, since it uses as much as digits as its factorization.

6674857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953558.

The product of its digits is 282240, while the sum is 43.

The square root of 6674857 is about 2583.5744618648. The cubic root of 6674857 is about 188.2842482222.

Subtracting 6674857 from its reverse (7584766), we obtain a palindrome (909909).

The spelling of 6674857 in words is "six million, six hundred seventy-four thousand, eight hundred fifty-seven".