47734143 has 4 divisors (see below), whose sum is σ = 63645528. Its totient is φ = 31822760.

The previous prime is 47734139. The next prime is 47734151. The reversal of 47734143 is 34143774.

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 47734143 - 2² = 47734139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47734153) 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, 7955688 + ... + 7955693.

It is an arithmetic number, because the mean of its divisors is an integer number (15911382).

Almost surely, 2^47734143 is an apocalyptic number.

47734143 is a deficient number, since it is larger than the sum of its proper divisors (15911385).

47734143 is a wasteful number, since it uses less digits than its factorization.

47734143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911384.

The product of its digits is 28224, while the sum is 33.

The square root of 47734143 is about 6908.9900130193. The cubic root of 47734143 is about 362.7519117793.

The spelling of 47734143 in words is "forty-seven million, seven hundred thirty-four thousand, one hundred forty-three".