47488147 has 4 divisors (see below), whose sum is σ = 54272176. Its totient is φ = 40704120.

The previous prime is 47488117. The next prime is 47488151. The reversal of 47488147 is 74188474.

47488147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47488147 - 2¹⁹ = 46963859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47488117) 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 3 ways as a sum of consecutive naturals, for example, 3392004 + ... + 3392017.

It is an arithmetic number, because the mean of its divisors is an integer number (13568044).

Almost surely, 2^47488147 is an apocalyptic number.

47488147 is a deficient number, since it is larger than the sum of its proper divisors (6784029).

47488147 is an equidigital number, since it uses as much as digits as its factorization.

47488147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784028.

The product of its digits is 200704, while the sum is 43.

The square root of 47488147 is about 6891.1644153945. The cubic root of 47488147 is about 362.1276957596.

The spelling of 47488147 in words is "forty-seven million, four hundred eighty-eight thousand, one hundred forty-seven".