47784382 has 16 divisors (see below), whose sum is σ = 76129200. Its totient is φ = 22416768.

The previous prime is 47784379. The next prime is 47784391. The reversal of 47784382 is 28348774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9853 + ... + 13879.

It is an arithmetic number, because the mean of its divisors is an integer number (4758075).

Almost surely, 2^47784382 is an apocalyptic number.

47784382 is a deficient number, since it is larger than the sum of its proper divisors (28344818).

47784382 is a wasteful number, since it uses less digits than its factorization.

47784382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395.

The product of its digits is 301056, while the sum is 43.

The square root of 47784382 is about 6912.6248270827. The cubic root of 47784382 is about 362.8791296179.

The spelling of 47784382 in words is "forty-seven million, seven hundred eighty-four thousand, three hundred eighty-two".