447734073 has 4 divisors (see below), whose sum is σ = 596978768. Its totient is φ = 298489380.

The previous prime is 447734057. The next prime is 447734081. The reversal of 447734073 is 370437744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 447734073 - 2⁴ = 447734057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447734773) 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 3 ways as a sum of consecutive naturals, for example, 74622343 + ... + 74622348.

It is an arithmetic number, because the mean of its divisors is an integer number (149244692).

Almost surely, 2^447734073 is an apocalyptic number.

It is an amenable number.

447734073 is a deficient number, since it is larger than the sum of its proper divisors (149244695).

447734073 is a wasteful number, since it uses less digits than its factorization.

447734073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149244694.

The product of its (nonzero) digits is 197568, while the sum is 39.

The square root of 447734073 is about 21159.7276211203. The cubic root of 447734073 is about 765.0210443184.

The spelling of 447734073 in words is "four hundred forty-seven million, seven hundred thirty-four thousand, seventy-three".