6635873 has 4 divisors (see below), whose sum is σ = 6729408. Its totient is φ = 6542340.

The previous prime is 6635861. The next prime is 6635879. The reversal of 6635873 is 3785366.

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 6635873 - 2⁴ = 6635857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6635879) 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, 46661 + ... + 46802.

It is an arithmetic number, because the mean of its divisors is an integer number (1682352).

Almost surely, 2^6635873 is an apocalyptic number.

It is an amenable number.

6635873 is a deficient number, since it is larger than the sum of its proper divisors (93535).

6635873 is an equidigital number, since it uses as much as digits as its factorization.

6635873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93534.

The product of its digits is 90720, while the sum is 38.

The square root of 6635873 is about 2576.0188275709. The cubic root of 6635873 is about 187.9169789611.

The spelling of 6635873 in words is "six million, six hundred thirty-five thousand, eight hundred seventy-three".