99473 has 4 divisors (see below), whose sum is σ = 108528. Its totient is φ = 90420.

The previous prime is 99469. The next prime is 99487. The reversal of 99473 is 37499.

It is a happy number.

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 99473 - 2² = 99469 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 99473.

It is not an unprimeable number, because it can be changed into a prime (99173) 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, 4511 + ... + 4532.

It is an arithmetic number, because the mean of its divisors is an integer number (27132).

2⁹⁹⁴⁷³ is an apocalyptic number.

It is an amenable number.

99473 is a deficient number, since it is larger than the sum of its proper divisors (9055).

99473 is a wasteful number, since it uses less digits than its factorization.

99473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054.

The product of its digits is 6804, while the sum is 32.

The square root of 99473 is about 315.3934051308. The cubic root of 99473 is about 46.3342074377.

The spelling of 99473 in words is "ninety-nine thousand, four hundred seventy-three".