447043147 has 4 divisors (see below), whose sum is σ = 447728400. Its totient is φ = 446357896.

The previous prime is 447043127. The next prime is 447043159. The reversal of 447043147 is 741340744.

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 447043147 - 2¹¹ = 447041099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447043127) 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, 341647 + ... + 342952.

It is an arithmetic number, because the mean of its divisors is an integer number (111932100).

Almost surely, 2^447043147 is an apocalyptic number.

447043147 is a deficient number, since it is larger than the sum of its proper divisors (685253).

447043147 is an equidigital number, since it uses as much as digits as its factorization.

447043147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685252.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 447043147 is about 21143.3948787795. The cubic root of 447043147 is about 764.6273247078.

The spelling of 447043147 in words is "four hundred forty-seven million, forty-three thousand, one hundred forty-seven".