47671843 has 4 divisors (see below), whose sum is σ = 47911600. Its totient is φ = 47432088.

The previous prime is 47671837. The next prime is 47671849. The reversal of 47671843 is 34817674.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34817674 = 2 ⋅17408837.

It is an interprime number because it is at equal distance from previous prime (47671837) and next prime (47671849).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47671843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47671796 and 47671805.

It is not an unprimeable number, because it can be changed into a prime (47671849) 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, 119580 + ... + 119977.

It is an arithmetic number, because the mean of its divisors is an integer number (11977900).

Almost surely, 2^47671843 is an apocalyptic number.

47671843 is a deficient number, since it is larger than the sum of its proper divisors (239757).

47671843 is a wasteful number, since it uses less digits than its factorization.

47671843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239756.

The product of its digits is 112896, while the sum is 40.

The square root of 47671843 is about 6904.4799224851. The cubic root of 47671843 is about 362.5940284023.

The spelling of 47671843 in words is "forty-seven million, six hundred seventy-one thousand, eight hundred forty-three".