6447079 has 8 divisors (see below), whose sum is σ = 6638112. Its totient is φ = 6258720.

The previous prime is 6447073. The next prime is 6447109. The reversal of 6447079 is 9707446.

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 6447079 - 2⁵ = 6447047 is a prime.

It is a Duffinian number.

6447079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447073) 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, 4869 + ... + 6049.

It is an arithmetic number, because the mean of its divisors is an integer number (829764).

Almost surely, 2^6447079 is an apocalyptic number.

6447079 is a deficient number, since it is larger than the sum of its proper divisors (191033).

6447079 is a wasteful number, since it uses less digits than its factorization.

6447079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6447079 is about 2539.1098834040. The cubic root of 6447079 is about 186.1176944248.

The spelling of 6447079 in words is "six million, four hundred forty-seven thousand, seventy-nine".