47193213 has 8 divisors (see below), whose sum is σ = 62964000. Its totient is φ = 31442288.

The previous prime is 47193197. The next prime is 47193221. The reversal of 47193213 is 31239174.

47193213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 47193213 - 2⁴ = 47193197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47193613) 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 7 ways as a sum of consecutive naturals, for example, 1963 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (7870500).

Almost surely, 2^47193213 is an apocalyptic number.

It is an amenable number.

47193213 is a deficient number, since it is larger than the sum of its proper divisors (15770787).

47193213 is a wasteful number, since it uses less digits than its factorization.

47193213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9931.

The product of its digits is 4536, while the sum is 30.

The square root of 47193213 is about 6869.7316541478. The cubic root of 47193213 is about 361.3764511445.

The spelling of 47193213 in words is "forty-seven million, one hundred ninety-three thousand, two hundred thirteen".