447120671 has 4 divisors (see below), whose sum is σ = 447689592. Its totient is φ = 446551752.

The previous prime is 447120659. The next prime is 447120679. The reversal of 447120671 is 176021744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 447120671 - 2¹⁸ = 446858527 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 (447120679) 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, 283280 + ... + 284853.

It is an arithmetic number, because the mean of its divisors is an integer number (111922398).

Almost surely, 2^447120671 is an apocalyptic number.

447120671 is a deficient number, since it is larger than the sum of its proper divisors (568921).

447120671 is an equidigital number, since it uses as much as digits as its factorization.

447120671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568920.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 447120671 is about 21145.2280905173. The cubic root of 447120671 is about 764.6715214428.

The spelling of 447120671 in words is "four hundred forty-seven million, one hundred twenty thousand, six hundred seventy-one".