47936709 has 6 divisors (see below), whose sum is σ = 69241926. Its totient is φ = 31957800.

The previous prime is 47936683. The next prime is 47936717. The reversal of 47936709 is 90763974.

It can be written as a sum of positive squares in only one way, i.e., 41796225 + 6140484 = 6465^2 + 2478^2 .

It is not a de Polignac number, because 47936709 - 2⁸ = 47936453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47936809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2663142 + ... + 2663159.

It is an arithmetic number, because the mean of its divisors is an integer number (11540321).

Almost surely, 2^47936709 is an apocalyptic number.

It is an amenable number.

47936709 is a deficient number, since it is larger than the sum of its proper divisors (21305217).

47936709 is a wasteful number, since it uses less digits than its factorization.

47936709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326307 (or 5326304 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 47936709 is about 6923.6340891182. The cubic root of 47936709 is about 363.2643158378.

The spelling of 47936709 in words is "forty-seven million, nine hundred thirty-six thousand, seven hundred nine".