47219273 has 4 divisors (see below), whose sum is σ = 47559120. Its totient is φ = 46879428.

The previous prime is 47219269. The next prime is 47219287. The reversal of 47219273 is 37291274.

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 a cyclic number.

It is not a de Polignac number, because 47219273 - 2² = 47219269 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47219233) 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, 169715 + ... + 169992.

It is an arithmetic number, because the mean of its divisors is an integer number (11889780).

Almost surely, 2^47219273 is an apocalyptic number.

It is an amenable number.

47219273 is a deficient number, since it is larger than the sum of its proper divisors (339847).

47219273 is a wasteful number, since it uses less digits than its factorization.

47219273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339846.

The product of its digits is 21168, while the sum is 35.

The square root of 47219273 is about 6871.6281185757. The cubic root of 47219273 is about 361.4429560281.

The spelling of 47219273 in words is "forty-seven million, two hundred nineteen thousand, two hundred seventy-three".