47271340 has 24 divisors (see below), whose sum is σ = 100899792. Its totient is φ = 18598080.

The previous prime is 47271337. The next prime is 47271347. The reversal of 47271340 is 4317274.

47271340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 47271299 and 47271308.

It is not an unprimeable number, because it can be changed into a prime (47271347) 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, 18154 + ... + 20593.

It is an arithmetic number, because the mean of its divisors is an integer number (4204158).

Almost surely, 2^47271340 is an apocalyptic number.

It is an amenable number.

47271340 is an abundant number, since it is smaller than the sum of its proper divisors (53628452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47271340 is a wasteful number, since it uses less digits than its factorization.

47271340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38817 (or 38815 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 47271340 is about 6875.4156238005. The cubic root of 47271340 is about 361.5757572928.

The spelling of 47271340 in words is "forty-seven million, two hundred seventy-one thousand, three hundred forty".