47684128 has 12 divisors (see below), whose sum is σ = 93878190. Its totient is φ = 23842048.

The previous prime is 47684093. The next prime is 47684141. The reversal of 47684128 is 82148674.

It can be written as a sum of positive squares in only one way, i.e., 39087504 + 8596624 = 6252^2 + 2932^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 745033 + ... + 745096.

Almost surely, 2^47684128 is an apocalyptic number.

It is an amenable number.

47684128 is a deficient number, since it is larger than the sum of its proper divisors (46194062).

47684128 is a wasteful number, since it uses less digits than its factorization.

47684128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490139 (or 1490131 counting only the distinct ones).

The product of its digits is 86016, while the sum is 40.

The square root of 47684128 is about 6905.3695049577. The cubic root of 47684128 is about 362.6251724682.

The spelling of 47684128 in words is "forty-seven million, six hundred eighty-four thousand, one hundred twenty-eight".