47728588 has 24 divisors (see below), whose sum is σ = 92286432. Its totient is φ = 21483264.

The previous prime is 47728579. The next prime is 47728609. The reversal of 47728588 is 88582774.

47728588 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47728588² = 4556036224947488, which contains 22 as substring.

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, 13695 + ... + 16822.

It is an arithmetic number, because the mean of its divisors is an integer number (3845268).

Almost surely, 2^47728588 is an apocalyptic number.

It is an amenable number.

47728588 is a deficient number, since it is larger than the sum of its proper divisors (44557844).

47728588 is a wasteful number, since it uses less digits than its factorization.

47728588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30561 (or 30559 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 49.

The square root of 47728588 is about 6908.5879888730. The cubic root of 47728588 is about 362.7378396364.

The spelling of 47728588 in words is "forty-seven million, seven hundred twenty-eight thousand, five hundred eighty-eight".