6637841 has 4 divisors (see below), whose sum is σ = 7586112. Its totient is φ = 5689572.

The previous prime is 6637819. The next prime is 6637843. The reversal of 6637841 is 1487366.

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 not a de Polignac number, because 6637841 - 2²² = 2443537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6637843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474125 + ... + 474138.

It is an arithmetic number, because the mean of its divisors is an integer number (1896528).

Almost surely, 2^6637841 is an apocalyptic number.

It is an amenable number.

6637841 is a deficient number, since it is larger than the sum of its proper divisors (948271).

6637841 is an equidigital number, since it uses as much as digits as its factorization.

6637841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948270.

The product of its digits is 24192, while the sum is 35.

The square root of 6637841 is about 2576.4007840396. The cubic root of 6637841 is about 187.9355539631.

The spelling of 6637841 in words is "six million, six hundred thirty-seven thousand, eight hundred forty-one".