47757132 has 18 divisors (see below), whose sum is σ = 120719508. Its totient is φ = 15919032.

The previous prime is 47757079. The next prime is 47757139. The reversal of 47757132 is 23175774.

47757132 is a `hidden beast` number, since 477 + 57 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1326587 = 47757132 / (4 + 7 + 7 + 5 + 7 + 1 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (47757139) 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, 663258 + ... + 663329.

Almost surely, 2^47757132 is an apocalyptic number.

It is an amenable number.

47757132 is an abundant number, since it is smaller than the sum of its proper divisors (72962376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47757132 is a wasteful number, since it uses less digits than its factorization.

47757132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326597 (or 1326592 counting only the distinct ones).

The product of its digits is 41160, while the sum is 36.

The square root of 47757132 is about 6910.6535146830. The cubic root of 47757132 is about 362.8101368064.

The spelling of 47757132 in words is "forty-seven million, seven hundred fifty-seven thousand, one hundred thirty-two".