47436688 has 20 divisors (see below), whose sum is σ = 98978908. Its totient is φ = 21893760.

The previous prime is 47436679. The next prime is 47436689. The reversal of 47436688 is 88663474.

47436688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 24088464 + 23348224 = 4908^2 + 4832^2 .

It is not an unprimeable number, because it can be changed into a prime (47436689) 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, 113823 + ... + 114238.

Almost surely, 2^47436688 is an apocalyptic number.

It is an amenable number.

47436688 is an abundant number, since it is smaller than the sum of its proper divisors (51542220).

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

47436688 is a wasteful number, since it uses less digits than its factorization.

47436688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228082 (or 228076 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 47436688 is about 6887.4297092602. The cubic root of 47436688 is about 361.9968458156.

The spelling of 47436688 in words is "forty-seven million, four hundred thirty-six thousand, six hundred eighty-eight".