447730742 has 32 divisors (see below), whose sum is σ = 733307904. Its totient is φ = 204424000.

The previous prime is 447730741. The next prime is 447730771. The reversal of 447730742 is 247037744.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 447730696 and 447730705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447730741) 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 15 ways as a sum of consecutive naturals, for example, 86117 + ... + 91167.

It is an arithmetic number, because the mean of its divisors is an integer number (22915872).

Almost surely, 2^447730742 is an apocalyptic number.

447730742 is a deficient number, since it is larger than the sum of its proper divisors (285577162).

447730742 is a wasteful number, since it uses less digits than its factorization.

447730742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 131712, while the sum is 38.

The square root of 447730742 is about 21159.6489101308. The cubic root of 447730742 is about 765.0191471420.

The spelling of 447730742 in words is "four hundred forty-seven million, seven hundred thirty thousand, seven hundred forty-two".