47509214 has 16 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 22676280.

The previous prime is 47509213. The next prime is 47509223. The reversal of 47509214 is 41290574.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47509213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37979 + ... + 39209.

It is an arithmetic number, because the mean of its divisors is an integer number (4656960).

Almost surely, 2^47509214 is an apocalyptic number.

47509214 is a deficient number, since it is larger than the sum of its proper divisors (27002146).

47509214 is a wasteful number, since it uses less digits than its factorization.

47509214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47509214 is about 6892.6927974486. The cubic root of 47509214 is about 362.1812376558.

Adding to 47509214 its reverse (41290574), we get a palindrome (88799788).

The spelling of 47509214 in words is "forty-seven million, five hundred nine thousand, two hundred fourteen".