6745613 has 4 divisors (see below), whose sum is σ = 7709280. Its totient is φ = 5781948.

The previous prime is 6745597. The next prime is 6745621. The reversal of 6745613 is 3165476.

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 6745613 - 2⁴ = 6745597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6745613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745633) 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, 481823 + ... + 481836.

It is an arithmetic number, because the mean of its divisors is an integer number (1927320).

Almost surely, 2^6745613 is an apocalyptic number.

It is an amenable number.

6745613 is a deficient number, since it is larger than the sum of its proper divisors (963667).

6745613 is an equidigital number, since it uses as much as digits as its factorization.

6745613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963666.

The product of its digits is 15120, while the sum is 32.

The square root of 6745613 is about 2597.2317955854. The cubic root of 6745613 is about 188.9472058434.

The spelling of 6745613 in words is "six million, seven hundred forty-five thousand, six hundred thirteen".