47019 has 8 divisors (see below), whose sum is σ = 71680. Its totient is φ = 26856.

The previous prime is 47017. The next prime is 47041. The reversal of 47019 is 91074.

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

It is not a de Polignac number, because 47019 - 2¹ = 47017 is a prime.

It is a super-2 number, since 2×47019² = 4421572722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2239 = 47019 / (4 + 7 + 0 + 1 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 46986 and 47004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47017) 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, 1099 + ... + 1140.

It is an arithmetic number, because the mean of its divisors is an integer number (8960).

2⁴⁷⁰¹⁹ is an apocalyptic number.

47019 is a deficient number, since it is larger than the sum of its proper divisors (24661).

47019 is a wasteful number, since it uses less digits than its factorization.

47019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 47019 is about 216.8386496914. The cubic root of 47019 is about 36.0931231034.

The spelling of 47019 in words is "forty-seven thousand, nineteen".