447730705 has 8 divisors (see below), whose sum is σ = 537633000. Its totient is φ = 357947136.

The previous prime is 447730691. The next prime is 447730709. The reversal of 447730705 is 507037744.

447730705 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 20729809 + 427000896 = 4553^2 + 20664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447730705 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447730709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21160 + ... + 36649.

It is an arithmetic number, because the mean of its divisors is an integer number (67204125).

Almost surely, 2^447730705 is an apocalyptic number.

It is an amenable number.

447730705 is a deficient number, since it is larger than the sum of its proper divisors (89902295).

447730705 is a wasteful number, since it uses less digits than its factorization.

447730705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59363.

The product of its (nonzero) digits is 82320, while the sum is 37.

The square root of 447730705 is about 21159.6480358252. The cubic root of 447730705 is about 765.0191260686.

The spelling of 447730705 in words is "four hundred forty-seven million, seven hundred thirty thousand, seven hundred five".