6728071 has 8 divisors (see below), whose sum is σ = 8094080. Its totient is φ = 5463288.

The previous prime is 6728047. The next prime is 6728083. The reversal of 6728071 is 1708276.

It is a happy number.

6728071 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6728071 - 2⁷ = 6727943 is a prime.

It is a Duffinian number.

6728071 is strictly pandigital in base 8.

6728071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25161 + ... + 25426.

It is an arithmetic number, because the mean of its divisors is an integer number (1011760).

Almost surely, 2^6728071 is an apocalyptic number.

6728071 is a deficient number, since it is larger than the sum of its proper divisors (1366009).

6728071 is a wasteful number, since it uses less digits than its factorization.

6728071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50613.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 6728071 is about 2593.8525401418. The cubic root of 6728071 is about 188.7832776144.

The spelling of 6728071 in words is "six million, seven hundred twenty-eight thousand, seventy-one".