6428071 has 8 divisors (see below), whose sum is σ = 6942320. Its totient is φ = 5916672.

The previous prime is 6428041. The next prime is 6428083. The reversal of 6428071 is 1708246.

6428071 is digitally balanced in base 3, 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 6428071 - 2¹³ = 6419879 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 (6428011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7975 + ... + 8743.

It is an arithmetic number, because the mean of its divisors is an integer number (867790).

Almost surely, 2^6428071 is an apocalyptic number.

6428071 is a deficient number, since it is larger than the sum of its proper divisors (514249).

6428071 is a wasteful number, since it uses less digits than its factorization.

6428071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 6428071 is about 2535.3640764198. The cubic root of 6428071 is about 185.9346033633.

The spelling of 6428071 in words is "six million, four hundred twenty-eight thousand, seventy-one".