6605743 has 4 divisors (see below), whose sum is σ = 6689440. Its totient is φ = 6522048.

The previous prime is 6605737. The next prime is 6605747. The reversal of 6605743 is 3475066.

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

It is a cyclic number.

It is not a de Polignac number, because 6605743 - 2¹³ = 6597551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605747) 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, 41730 + ... + 41887.

It is an arithmetic number, because the mean of its divisors is an integer number (1672360).

Almost surely, 2^6605743 is an apocalyptic number.

6605743 is a deficient number, since it is larger than the sum of its proper divisors (83697).

6605743 is an equidigital number, since it uses as much as digits as its factorization.

6605743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83696.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 6605743 is about 2570.1640025493. The cubic root of 6605743 is about 187.6321367834.

The spelling of 6605743 in words is "six million, six hundred five thousand, seven hundred forty-three".