47319 has 4 divisors (see below), whose sum is σ = 63096. Its totient is φ = 31544.

The previous prime is 47317. The next prime is 47339. The reversal of 47319 is 91374.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47319 - 2¹ = 47317 is a prime.

It is a super-2 number, since 2×47319² = 4478175522, which contains 22 as substring.

It is a D-number.

47319 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47317) 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, 7884 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (15774).

2⁴⁷³¹⁹ is an apocalyptic number.

47319 is a deficient number, since it is larger than the sum of its proper divisors (15777).

47319 is a wasteful number, since it uses less digits than its factorization.

47319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15776.

The product of its digits is 756, while the sum is 24.

The square root of 47319 is about 217.5293083702. The cubic root of 47319 is about 36.1697232676.

The spelling of 47319 in words is "forty-seven thousand, three hundred nineteen".