47147903 has 8 divisors (see below), whose sum is σ = 52306560. Its totient is φ = 42134680.

The previous prime is 47147897. The next prime is 47147923. The reversal of 47147903 is 30974174.

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 47147903 - 2⁴ = 47147887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47147923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35675 + ... + 36972.

It is an arithmetic number, because the mean of its divisors is an integer number (6538320).

Almost surely, 2^47147903 is an apocalyptic number.

47147903 is a deficient number, since it is larger than the sum of its proper divisors (5158657).

47147903 is a wasteful number, since it uses less digits than its factorization.

47147903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72717.

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

The square root of 47147903 is about 6866.4330623694. The cubic root of 47147903 is about 361.2607621224.

The spelling of 47147903 in words is "forty-seven million, one hundred forty-seven thousand, nine hundred three".