447670 has 16 divisors (see below), whose sum is σ = 816480. Its totient is φ = 176704.

The previous prime is 447641. The next prime is 447677. The reversal of 447670 is 76744.

447670 = 140² + 141² + ... + 159².

447670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447677) by changing a digit.

447670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639 + ... + 1141.

It is an arithmetic number, because the mean of its divisors is an integer number (51030).

2⁴⁴⁷⁶⁷⁰ is an apocalyptic number.

447670 is a deficient number, since it is larger than the sum of its proper divisors (368810).

447670 is a wasteful number, since it uses less digits than its factorization.

447670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 447670 is about 669.0814599135. The cubic root of 447670 is about 76.4984549790.

It can be divided in two parts, 4 and 47670, that added together give a palindrome (47674).

The spelling of 447670 in words is "four hundred forty-seven thousand, six hundred seventy".