47439043 has 4 divisors (see below), whose sum is σ = 47453560. Its totient is φ = 47424528.

The previous prime is 47439037. The next prime is 47439053. The reversal of 47439043 is 34093474.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34093474 = 2 ⋅17046737.

It is a cyclic number.

It is not a de Polignac number, because 47439043 - 2⁵ = 47439011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47439023) 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, 196 + ... + 9742.

It is an arithmetic number, because the mean of its divisors is an integer number (11863390).

Almost surely, 2^47439043 is an apocalyptic number.

47439043 is a deficient number, since it is larger than the sum of its proper divisors (14517).

47439043 is an equidigital number, since it uses as much as digits as its factorization.

47439043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 47439043 is about 6887.6006707706. The cubic root of 47439043 is about 362.0028361753.

The spelling of 47439043 in words is "forty-seven million, four hundred thirty-nine thousand, forty-three".