47135784 has 32 divisors (see below), whose sum is σ = 118008000. Its totient is φ = 15689472.

The previous prime is 47135771. The next prime is 47135813. The reversal of 47135784 is 48753174.

47135784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30912 + ... + 32400.

It is an arithmetic number, because the mean of its divisors is an integer number (3687750).

Almost surely, 2^47135784 is an apocalyptic number.

It is an amenable number.

47135784 is an abundant number, since it is smaller than the sum of its proper divisors (70872216).

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

47135784 is a wasteful number, since it uses less digits than its factorization.

47135784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2817 (or 2813 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 47135784 is about 6865.5505241750. The cubic root of 47135784 is about 361.2298063847.

The spelling of 47135784 in words is "forty-seven million, one hundred thirty-five thousand, seven hundred eighty-four".