16448473 has 4 divisors (see below), whose sum is σ = 17163648. Its totient is φ = 15733300.

The previous prime is 16448447. The next prime is 16448477. The reversal of 16448473 is 37484461.

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 16448473 - 2⁵ = 16448441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16448477) 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, 357553 + ... + 357598.

It is an arithmetic number, because the mean of its divisors is an integer number (4290912).

Almost surely, 2^16448473 is an apocalyptic number.

It is an amenable number.

16448473 is a deficient number, since it is larger than the sum of its proper divisors (715175).

16448473 is an equidigital number, since it uses as much as digits as its factorization.

16448473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715174.

The product of its digits is 64512, while the sum is 37.

The square root of 16448473 is about 4055.6717076213. The cubic root of 16448473 is about 254.3168849646.

The spelling of 16448473 in words is "sixteen million, four hundred forty-eight thousand, four hundred seventy-three".