47589728 has 12 divisors (see below), whose sum is σ = 93692340. Its totient is φ = 23794848.

The previous prime is 47589721. The next prime is 47589739. The reversal of 47589728 is 82798574.

It is a super-2 number, since 2×47589728² = 4529564422227968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47589721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743558 + ... + 743621.

It is an arithmetic number, because the mean of its divisors is an integer number (7807695).

Almost surely, 2^47589728 is an apocalyptic number.

It is an amenable number.

47589728 is a deficient number, since it is larger than the sum of its proper divisors (46102612).

47589728 is a wasteful number, since it uses less digits than its factorization.

47589728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487189 (or 1487181 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 50.

The square root of 47589728 is about 6898.5308580886. The cubic root of 47589728 is about 362.3857187120.

The spelling of 47589728 in words is "forty-seven million, five hundred eighty-nine thousand, seven hundred twenty-eight".