47509688 has 8 divisors (see below), whose sum is σ = 89080680. Its totient is φ = 23754840.

The previous prime is 47509681. The next prime is 47509699. The reversal of 47509688 is 88690574.

47509688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47509681) by changing a digit.

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 as a sum of consecutive naturals, namely, 2969348 + ... + 2969363.

It is an arithmetic number, because the mean of its divisors is an integer number (11135085).

Almost surely, 2^47509688 is an apocalyptic number.

It is an amenable number.

47509688 is a deficient number, since it is larger than the sum of its proper divisors (41570992).

47509688 is a wasteful number, since it uses less digits than its factorization.

47509688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5938717 (or 5938713 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 47509688 is about 6892.7271816024. The cubic root of 47509688 is about 362.1824421473.

The spelling of 47509688 in words is "forty-seven million, five hundred nine thousand, six hundred eighty-eight".