447134766 has 64 divisors (see below), whose sum is σ = 1029611520. Its totient is φ = 128367360.

The previous prime is 447134761. The next prime is 447134767. The reversal of 447134766 is 667431744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447134761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70515 + ... + 76593.

It is an arithmetic number, because the mean of its divisors is an integer number (16087680).

Almost surely, 2^447134766 is an apocalyptic number.

447134766 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 447134766, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514805760).

447134766 is an abundant number, since it is smaller than the sum of its proper divisors (582476754).

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

447134766 is a wasteful number, since it uses less digits than its factorization.

447134766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161.

The product of its digits is 338688, while the sum is 42.

The square root of 447134766 is about 21145.5613782184. The cubic root of 447134766 is about 764.6795565085.

The spelling of 447134766 in words is "four hundred forty-seven million, one hundred thirty-four thousand, seven hundred sixty-six".