447929074 has 4 divisors (see below), whose sum is σ = 671893614. Its totient is φ = 223964536.

The previous prime is 447929057. The next prime is 447929077. The reversal of 447929074 is 470929744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 424648449 + 23280625 = 20607^2 + 4825^2 .

It is not an unprimeable number, because it can be changed into a prime (447929077) 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 as a sum of consecutive naturals, namely, 111982267 + ... + 111982270.

Almost surely, 2^447929074 is an apocalyptic number.

447929074 is a deficient number, since it is larger than the sum of its proper divisors (223964540).

447929074 is a wasteful number, since it uses less digits than its factorization.

447929074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223964539.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 447929074 is about 21164.3349529344. The cubic root of 447929074 is about 765.1320910501.

The spelling of 447929074 in words is "four hundred forty-seven million, nine hundred twenty-nine thousand, seventy-four".