447470748 has 72 divisors (see below), whose sum is σ = 1222887120. Its totient is φ = 137479680.

The previous prime is 447470743. The next prime is 447470759. The reversal of 447470748 is 847074744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447470741) 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 23 ways as a sum of consecutive naturals, for example, 16468 + ... + 34148.

Almost surely, 2^447470748 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 447470748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611443560).

447470748 is an abundant number, since it is smaller than the sum of its proper divisors (775416372).

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

447470748 is a wasteful number, since it uses less digits than its factorization.

447470748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17747 (or 17742 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 447470748 is about 21153.5043905259. The cubic root of 447470748 is about 764.8710381099.

The spelling of 447470748 in words is "four hundred forty-seven million, four hundred seventy thousand, seven hundred forty-eight".