319972473 has 12 divisors (see below), whose sum is σ = 465245248. Its totient is φ = 211901400.

The previous prime is 319972459. The next prime is 319972507. The reversal of 319972473 is 374279913.

319972473 is a `hidden beast` number, since 319 + 97 + 247 + 3 = 666.

It is not a de Polignac number, because 319972473 - 2⁹ = 319971961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (319972973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116365 + ... + 119082.

Almost surely, 2^319972473 is an apocalyptic number.

It is an amenable number.

319972473 is a deficient number, since it is larger than the sum of its proper divisors (145272775).

319972473 is a wasteful number, since it uses less digits than its factorization.

319972473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235604 (or 235601 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 319972473 is about 17887.7744004110. The cubic root of 319972473 is about 683.9707653967.

The spelling of 319972473 in words is "three hundred nineteen million, nine hundred seventy-two thousand, four hundred seventy-three".