47217814 has 16 divisors (see below), whose sum is σ = 82920096. Its totient is φ = 19742400.

The previous prime is 47217811. The next prime is 47217817. The reversal of 47217814 is 41871274.

47217814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47217811) and next prime (47217817).

It is a self number, because there is not a number n which added to its sum of digits gives 47217814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47217811) 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, 40557 + ... + 41704.

It is an arithmetic number, because the mean of its divisors is an integer number (5182506).

Almost surely, 2^47217814 is an apocalyptic number.

47217814 is a deficient number, since it is larger than the sum of its proper divisors (35702282).

47217814 is a wasteful number, since it uses less digits than its factorization.

47217814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82311.

The product of its digits is 12544, while the sum is 34.

The square root of 47217814 is about 6871.5219565974. The cubic root of 47217814 is about 361.4392333200.

The spelling of 47217814 in words is "forty-seven million, two hundred seventeen thousand, eight hundred fourteen".