447893473 has 8 divisors (see below), whose sum is σ = 462033792. Its totient is φ = 433860336.

The previous prime is 447893437. The next prime is 447893477. The reversal of 447893473 is 374398744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447893473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447893477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18265 + ... + 35062.

It is an arithmetic number, because the mean of its divisors is an integer number (57754224).

Almost surely, 2^447893473 is an apocalyptic number.

It is an amenable number.

447893473 is a deficient number, since it is larger than the sum of its proper divisors (14140319).

447893473 is a wasteful number, since it uses less digits than its factorization.

447893473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53591.

The product of its digits is 2032128, while the sum is 49.

The square root of 447893473 is about 21163.4938750670. The cubic root of 447893473 is about 765.1118198429. Note that the first 3 decimals are identical.

The spelling of 447893473 in words is "four hundred forty-seven million, eight hundred ninety-three thousand, four hundred seventy-three".