47728671 has 8 divisors (see below), whose sum is σ = 64124544. Its totient is φ = 31575960.

The previous prime is 47728669. The next prime is 47728679. The reversal of 47728671 is 17682774.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47728671 - 2¹ = 47728669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47728679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60331 + ... + 61116.

It is an arithmetic number, because the mean of its divisors is an integer number (8015568).

Almost surely, 2^47728671 is an apocalyptic number.

47728671 is a deficient number, since it is larger than the sum of its proper divisors (16395873).

47728671 is a wasteful number, since it uses less digits than its factorization.

47728671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121581.

The product of its digits is 131712, while the sum is 42.

The square root of 47728671 is about 6908.5939958866. The cubic root of 47728671 is about 362.7380499033.

The spelling of 47728671 in words is "forty-seven million, seven hundred twenty-eight thousand, six hundred seventy-one".