47453847 has 8 divisors (see below), whose sum is σ = 72310656. Its totient is φ = 27116472.

The previous prime is 47453827. The next prime is 47453863. The reversal of 47453847 is 74835474.

47453847 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47453847 - 2¹⁵ = 47421079 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47453799 and 47453808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47453827) 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, 1129833 + ... + 1129874.

It is an arithmetic number, because the mean of its divisors is an integer number (9038832).

Almost surely, 2^47453847 is an apocalyptic number.

47453847 is a deficient number, since it is larger than the sum of its proper divisors (24856809).

47453847 is a wasteful number, since it uses less digits than its factorization.

47453847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259717.

The product of its digits is 376320, while the sum is 42.

The square root of 47453847 is about 6888.6752717776. The cubic root of 47453847 is about 362.0404882321.

The spelling of 47453847 in words is "forty-seven million, four hundred fifty-three thousand, eight hundred forty-seven".