6677138 has 8 divisors (see below), whose sum is σ = 10786188. Its totient is φ = 3081744.

The previous prime is 6677129. The next prime is 6677147. The reversal of 6677138 is 8317766.

It is an interprime number because it is at equal distance from previous prime (6677129) and next prime (6677147).

It can be written as a sum of positive squares in 2 ways, for example, as 5031049 + 1646089 = 2243^2 + 1283^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128381 + ... + 128432.

Almost surely, 2^6677138 is an apocalyptic number.

6677138 is a deficient number, since it is larger than the sum of its proper divisors (4109050).

6677138 is a wasteful number, since it uses less digits than its factorization.

6677138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256828.

The product of its digits is 42336, while the sum is 38.

The square root of 6677138 is about 2584.0158668244. The cubic root of 6677138 is about 188.3056932488.

The spelling of 6677138 in words is "six million, six hundred seventy-seven thousand, one hundred thirty-eight".