47628571 has 4 divisors (see below), whose sum is σ = 47944144. Its totient is φ = 47313000.

The previous prime is 47628569. The next prime is 47628599. The reversal of 47628571 is 17582674.

47628571 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.

It is a cyclic number.

It is not a de Polignac number, because 47628571 - 2¹ = 47628569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47628541) 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, 157560 + ... + 157861.

It is an arithmetic number, because the mean of its divisors is an integer number (11986036).

Almost surely, 2^47628571 is an apocalyptic number.

47628571 is a deficient number, since it is larger than the sum of its proper divisors (315573).

47628571 is a wasteful number, since it uses less digits than its factorization.

47628571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315572.

The product of its digits is 94080, while the sum is 40.

The square root of 47628571 is about 6901.3455934332. The cubic root of 47628571 is about 362.4842856446.

The spelling of 47628571 in words is "forty-seven million, six hundred twenty-eight thousand, five hundred seventy-one".