47685768 has 32 divisors (see below), whose sum is σ = 128385600. Its totient is φ = 14672448.

The previous prime is 47685761. The next prime is 47685769. The reversal of 47685768 is 86758674.

It is a self number, because there is not a number n which added to its sum of digits gives 47685768.

It is not an unprimeable number, because it can be changed into a prime (47685761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76108 + ... + 76731.

It is an arithmetic number, because the mean of its divisors is an integer number (4012050).

Almost surely, 2^47685768 is an apocalyptic number.

It is an amenable number.

47685768 is an abundant number, since it is smaller than the sum of its proper divisors (80699832).

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

47685768 is a wasteful number, since it uses less digits than its factorization.

47685768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152861 (or 152857 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 47685768 is about 6905.4882521079. The cubic root of 47685768 is about 362.6293296758.

The spelling of 47685768 in words is "forty-seven million, six hundred eighty-five thousand, seven hundred sixty-eight".