47168421 has 8 divisors (see below), whose sum is σ = 66590784. Its totient is φ = 29595840.

The previous prime is 47168411. The next prime is 47168441. The reversal of 47168421 is 12486174.

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

It is not a de Polignac number, because 47168421 - 2⁵ = 47168389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47168411) 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, 462385 + ... + 462486.

It is an arithmetic number, because the mean of its divisors is an integer number (8323848).

Almost surely, 2^47168421 is an apocalyptic number.

It is an amenable number.

47168421 is a deficient number, since it is larger than the sum of its proper divisors (19422363).

47168421 is a wasteful number, since it uses less digits than its factorization.

47168421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924891.

The product of its digits is 10752, while the sum is 33.

The square root of 47168421 is about 6867.9269798098. The cubic root of 47168421 is about 361.3131594569.

The spelling of 47168421 in words is "forty-seven million, one hundred sixty-eight thousand, four hundred twenty-one".