447450873 has 4 divisors (see below), whose sum is σ = 596601168. Its totient is φ = 298300580.

The previous prime is 447450859. The next prime is 447450881. The reversal of 447450873 is 378054744.

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 a cyclic number.

It is not a de Polignac number, because 447450873 - 2⁸ = 447450617 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (447450173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74575143 + ... + 74575148.

It is an arithmetic number, because the mean of its divisors is an integer number (149150292).

Almost surely, 2^447450873 is an apocalyptic number.

It is an amenable number.

447450873 is a deficient number, since it is larger than the sum of its proper divisors (149150295).

447450873 is a wasteful number, since it uses less digits than its factorization.

447450873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149150294.

The product of its (nonzero) digits is 376320, while the sum is 42.

The square root of 447450873 is about 21153.0346049923. The cubic root of 447450873 is about 764.8597136922.

The spelling of 447450873 in words is "four hundred forty-seven million, four hundred fifty thousand, eight hundred seventy-three".