447299712 has 128 divisors (see below), whose sum is σ = 1365984000. Its totient is φ = 143926272.

The previous prime is 447299711. The next prime is 447299737. The reversal of 447299712 is 217992744.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (447299711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97993 + ... + 102455.

It is an arithmetic number, because the mean of its divisors is an integer number (10671750).

Almost surely, 2^447299712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447299712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682992000).

447299712 is an abundant number, since it is smaller than the sum of its proper divisors (918684288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447299712 is a wasteful number, since it uses less digits than its factorization.

447299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515 (or 4497 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 447299712 is about 21149.4612697345. The cubic root of 447299712 is about 764.7735738959.

The spelling of 447299712 in words is "four hundred forty-seven million, two hundred ninety-nine thousand, seven hundred twelve".