47609728 has 16 divisors (see below), whose sum is σ = 94847760. Its totient is φ = 23804800.

The previous prime is 47609719. The next prime is 47609743. The reversal of 47609728 is 82790674.

47609728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 185848 + ... + 186103.

It is an arithmetic number, because the mean of its divisors is an integer number (5927985).

Almost surely, 2^47609728 is an apocalyptic number.

It is an amenable number.

47609728 is a deficient number, since it is larger than the sum of its proper divisors (47238032).

47609728 is an equidigital number, since it uses as much as digits as its factorization.

47609728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371965 (or 371953 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 47609728 is about 6899.9802898269. The cubic root of 47609728 is about 362.4364768596.

The spelling of 47609728 in words is "forty-seven million, six hundred nine thousand, seven hundred twenty-eight".