6674557 has 8 divisors (see below), whose sum is σ = 7106616. Its totient is φ = 6246912.

The previous prime is 6674539. The next prime is 6674561. The reversal of 6674557 is 7554766.

It is a happy number.

6674557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4618201 + 2056356 = 2149^2 + 1434^2 .

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 6674557 - 2⁷ = 6674429 is a prime.

It is a super-2 number, since 2×6674557² = 89099422292498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6674527) 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, 2353 + ... + 4345.

It is an arithmetic number, because the mean of its divisors is an integer number (888327).

Almost surely, 2^6674557 is an apocalyptic number.

It is an amenable number.

6674557 is a deficient number, since it is larger than the sum of its proper divisors (432059).

6674557 is a wasteful number, since it uses less digits than its factorization.

6674557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207.

The product of its digits is 176400, while the sum is 40.

The square root of 6674557 is about 2583.5164021155. The cubic root of 6674557 is about 188.2814273817.

The spelling of 6674557 in words is "six million, six hundred seventy-four thousand, five hundred fifty-seven".