47431027 has 4 divisors (see below), whose sum is σ = 54206896. Its totient is φ = 40655160.

The previous prime is 47431009. The next prime is 47431031. The reversal of 47431027 is 72013474.

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

It is not a de Polignac number, because 47431027 - 2¹⁵ = 47398259 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47430986 and 47431004.

It is not an unprimeable number, because it can be changed into a prime (47431057) 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 3 ways as a sum of consecutive naturals, for example, 3387924 + ... + 3387937.

It is an arithmetic number, because the mean of its divisors is an integer number (13551724).

Almost surely, 2^47431027 is an apocalyptic number.

47431027 is a deficient number, since it is larger than the sum of its proper divisors (6775869).

47431027 is an equidigital number, since it uses as much as digits as its factorization.

47431027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775868.

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

The square root of 47431027 is about 6887.0187309169. The cubic root of 47431027 is about 361.9824452482.

The spelling of 47431027 in words is "forty-seven million, four hundred thirty-one thousand, twenty-seven".