47728708 has 12 divisors (see below), whose sum is σ = 84127120. Its totient is φ = 23692392.

The previous prime is 47728697. The next prime is 47728711. The reversal of 47728708 is 80782774.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42366 + ... + 43477.

Almost surely, 2^47728708 is an apocalyptic number.

It is an amenable number.

47728708 is a deficient number, since it is larger than the sum of its proper divisors (36398412).

47728708 is a wasteful number, since it uses less digits than its factorization.

47728708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85986 (or 85984 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 43.

The square root of 47728708 is about 6908.5966737102. The cubic root of 47728708 is about 362.7381436367.

The spelling of 47728708 in words is "forty-seven million, seven hundred twenty-eight thousand, seven hundred eight".