6713729 has 4 divisors (see below), whose sum is σ = 7324080. Its totient is φ = 6103380.

The previous prime is 6713717. The next prime is 6713731. The reversal of 6713729 is 9273176.

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 a de Polignac number, because none of the positive numbers 2^k-6713729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6713779) 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, 305159 + ... + 305180.

It is an arithmetic number, because the mean of its divisors is an integer number (1831020).

Almost surely, 2^6713729 is an apocalyptic number.

It is an amenable number.

6713729 is a deficient number, since it is larger than the sum of its proper divisors (610351).

6713729 is a wasteful number, since it uses less digits than its factorization.

6713729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610350.

The product of its digits is 15876, while the sum is 35.

The square root of 6713729 is about 2591.0864516646. The cubic root of 6713729 is about 188.6490412238.

The spelling of 6713729 in words is "six million, seven hundred thirteen thousand, seven hundred twenty-nine".