47387712 has 28 divisors (see below), whose sum is σ = 125380496. Its totient is φ = 15795840.

The previous prime is 47387707. The next prime is 47387719. The reversal of 47387712 is 21778374.

It is not an unprimeable number, because it can be changed into a prime (47387719) 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, 123214 + ... + 123597.

Almost surely, 2^47387712 is an apocalyptic number.

It is an amenable number.

47387712 is an abundant number, since it is smaller than the sum of its proper divisors (77992784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47387712 is a wasteful number, since it uses less digits than its factorization.

47387712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246826 (or 246816 counting only the distinct ones).

The product of its digits is 65856, while the sum is 39.

The square root of 47387712 is about 6883.8733282942. The cubic root of 47387712 is about 361.8722217236.

Subtracting from 47387712 its product of digits (65856), we obtain a triangular number (47321856 = T₉₇₂₈).

The spelling of 47387712 in words is "forty-seven million, three hundred eighty-seven thousand, seven hundred twelve".