6614681 has 4 divisors (see below), whose sum is σ = 6673332. Its totient is φ = 6556032.

The previous prime is 6614677. The next prime is 6614693. The reversal of 6614681 is 1864166.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 931225 + 5683456 = 965^2 + 2384^2 .

It is a cyclic number.

It is not a de Polignac number, because 6614681 - 2² = 6614677 is a prime.

It is a super-2 number, since 2×6614681² = 87508009463522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6614611) 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, 29156 + ... + 29381.

It is an arithmetic number, because the mean of its divisors is an integer number (1668333).

Almost surely, 2^6614681 is an apocalyptic number.

It is an amenable number.

6614681 is a deficient number, since it is larger than the sum of its proper divisors (58651).

6614681 is a wasteful number, since it uses less digits than its factorization.

6614681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58650.

The product of its digits is 6912, while the sum is 32.

The square root of 6614681 is about 2571.9022143153. The cubic root of 6614681 is about 187.7167248061.

The spelling of 6614681 in words is "six million, six hundred fourteen thousand, six hundred eighty-one".