47791443 has 16 divisors (see below), whose sum is σ = 73509120. Its totient is φ = 27052896.

The previous prime is 47791427. The next prime is 47791453. The reversal of 47791443 is 34419774.

It is not a de Polignac number, because 47791443 - 2⁴ = 47791427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47791453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8388 + ... + 12881.

It is an arithmetic number, because the mean of its divisors is an integer number (4594320).

Almost surely, 2^47791443 is an apocalyptic number.

47791443 is a deficient number, since it is larger than the sum of its proper divisors (25717677).

47791443 is a wasteful number, since it uses less digits than its factorization.

47791443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21386.

The product of its digits is 84672, while the sum is 39.

The square root of 47791443 is about 6913.1355404042. The cubic root of 47791443 is about 362.8970027055.

The spelling of 47791443 in words is "forty-seven million, seven hundred ninety-one thousand, four hundred forty-three".