19472873 has 8 divisors (see below), whose sum is σ = 22380480. Its totient is φ = 16596720.

The previous prime is 19472863. The next prime is 19472903. The reversal of 19472873 is 37827491.

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

It is not a de Polignac number, because 19472873 - 2⁴ = 19472857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19472873.

It is not an unprimeable number, because it can be changed into a prime (19472863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6518 + ... + 9023.

It is an arithmetic number, because the mean of its divisors is an integer number (2797560).

Almost surely, 2^19472873 is an apocalyptic number.

It is an amenable number.

19472873 is a deficient number, since it is larger than the sum of its proper divisors (2907607).

19472873 is a wasteful number, since it uses less digits than its factorization.

19472873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15727.

The product of its digits is 84672, while the sum is 41.

The square root of 19472873 is about 4412.8078362875. The cubic root of 19472873 is about 269.0357603680.

The spelling of 19472873 in words is "nineteen million, four hundred seventy-two thousand, eight hundred seventy-three".