47688012 has 18 divisors (see below), whose sum is σ = 120544788. Its totient is φ = 15895992.

The previous prime is 47688001. The next prime is 47688029. The reversal of 47688012 is 21088674.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1324667 = 47688012 / (4 + 7 + 6 + 8 + 8 + 0 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662298 + ... + 662369.

Almost surely, 2^47688012 is an apocalyptic number.

It is an amenable number.

47688012 is an abundant number, since it is smaller than the sum of its proper divisors (72856776).

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

47688012 is a wasteful number, since it uses less digits than its factorization.

47688012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324677 (or 1324672 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 47688012 is about 6905.6507296561. The cubic root of 47688012 is about 362.6350177982.

It can be divided in two parts, 476 and 88012, that added together give a palindrome (88488).

The spelling of 47688012 in words is "forty-seven million, six hundred eighty-eight thousand, twelve".