47389782 has 32 divisors (see below), whose sum is σ = 103993344. Its totient is φ = 14277600.

The previous prime is 47389751. The next prime is 47389787. The reversal of 47389782 is 28798374.

47389782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47389787) 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 15 ways as a sum of consecutive naturals, for example, 9963 + ... + 13929.

It is an arithmetic number, because the mean of its divisors is an integer number (3249792).

Almost surely, 2^47389782 is an apocalyptic number.

47389782 is an abundant number, since it is smaller than the sum of its proper divisors (56603562).

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

47389782 is a wasteful number, since it uses less digits than its factorization.

47389782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its digits is 677376, while the sum is 48.

The square root of 47389782 is about 6884.0236780534. The cubic root of 47389782 is about 361.8774907731.

The spelling of 47389782 in words is "forty-seven million, three hundred eighty-nine thousand, seven hundred eighty-two".