447307069 has 4 divisors (see below), whose sum is σ = 487971360. Its totient is φ = 406642780.

The previous prime is 447307039. The next prime is 447307073. The reversal of 447307069 is 960703744.

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 not a de Polignac number, because 447307069 - 2¹³ = 447298877 is a prime.

It is a super-2 number, since 2×447307069² = 400167227954741522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447307039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20332129 + ... + 20332150.

It is an arithmetic number, because the mean of its divisors is an integer number (121992840).

Almost surely, 2^447307069 is an apocalyptic number.

It is an amenable number.

447307069 is a deficient number, since it is larger than the sum of its proper divisors (40664291).

447307069 is a wasteful number, since it uses less digits than its factorization.

447307069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40664290.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 447307069 is about 21149.6351977995. The cubic root of 447307069 is about 764.7777667657. Note that the first 4 decimals are identical.

The spelling of 447307069 in words is "four hundred forty-seven million, three hundred seven thousand, sixty-nine".