47787532 has 24 divisors (see below), whose sum is σ = 91982016. Its totient is φ = 21585408.

The previous prime is 47787529. The next prime is 47787533. The reversal of 47787532 is 23578774.

It is not an unprimeable number, because it can be changed into a prime (47787533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7333 + ... + 12220.

It is an arithmetic number, because the mean of its divisors is an integer number (3832584).

Almost surely, 2^47787532 is an apocalyptic number.

It is an amenable number.

47787532 is a deficient number, since it is larger than the sum of its proper divisors (44194484).

47787532 is a wasteful number, since it uses less digits than its factorization.

47787532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617 (or 19615 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 47787532 is about 6912.8526673147. The cubic root of 47787532 is about 362.8871032423.

The spelling of 47787532 in words is "forty-seven million, seven hundred eighty-seven thousand, five hundred thirty-two".