447314747 has 4 divisors (see below), whose sum is σ = 487979736. Its totient is φ = 406649760.

The previous prime is 447314743. The next prime is 447314771. The reversal of 447314747 is 747413744.

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

It is not a de Polignac number, because 447314747 - 2² = 447314743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447314743) 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, 20332478 + ... + 20332499.

It is an arithmetic number, because the mean of its divisors is an integer number (121994934).

Almost surely, 2^447314747 is an apocalyptic number.

447314747 is a deficient number, since it is larger than the sum of its proper divisors (40664989).

447314747 is a wasteful number, since it uses less digits than its factorization.

447314747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40664988.

The product of its digits is 263424, while the sum is 41.

The square root of 447314747 is about 21149.8167131538. The cubic root of 447314747 is about 764.7821425294.

The spelling of 447314747 in words is "four hundred forty-seven million, three hundred fourteen thousand, seven hundred forty-seven".