47424871 has 4 divisors (see below), whose sum is σ = 51072952. Its totient is φ = 43776792.

The previous prime is 47424869. The next prime is 47424887. The reversal of 47424871 is 17842474.

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 47424871 - 2¹ = 47424869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47424871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47424851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824021 + ... + 1824046.

It is an arithmetic number, because the mean of its divisors is an integer number (12768238).

Almost surely, 2^47424871 is an apocalyptic number.

47424871 is a deficient number, since it is larger than the sum of its proper divisors (3648081).

47424871 is a wasteful number, since it uses less digits than its factorization.

47424871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3648080.

The product of its digits is 50176, while the sum is 37.

The square root of 47424871 is about 6886.5717886333. The cubic root of 47424871 is about 361.9667841892.

The spelling of 47424871 in words is "forty-seven million, four hundred twenty-four thousand, eight hundred seventy-one".