47276143 has 4 divisors (see below), whose sum is σ = 47295360. Its totient is φ = 47256928.

The previous prime is 47276113. The next prime is 47276171. The reversal of 47276143 is 34167274.

47276143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34167274 = 2 ⋅17083637.

It is a cyclic number.

It is not a de Polignac number, because 47276143 - 2⁵ = 47276111 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47276099 and 47276108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47276113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263 + ... + 11056.

It is an arithmetic number, because the mean of its divisors is an integer number (11823840).

Almost surely, 2^47276143 is an apocalyptic number.

47276143 is a deficient number, since it is larger than the sum of its proper divisors (19217).

47276143 is a wasteful number, since it uses less digits than its factorization.

47276143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19216.

The product of its digits is 28224, while the sum is 34.

The square root of 47276143 is about 6875.7649029035. The cubic root of 47276143 is about 361.5880028349.

The spelling of 47276143 in words is "forty-seven million, two hundred seventy-six thousand, one hundred forty-three".