47647632 has 20 divisors (see below), whose sum is σ = 123089840. Its totient is φ = 15882528.

The previous prime is 47647631. The next prime is 47647643. The reversal of 47647632 is 23674674.

It is not an unprimeable number, because it can be changed into a prime (47647631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496282 + ... + 496377.

It is an arithmetic number, because the mean of its divisors is an integer number (6154492).

Almost surely, 2^47647632 is an apocalyptic number.

It is an amenable number.

47647632 is an abundant number, since it is smaller than the sum of its proper divisors (75442208).

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

47647632 is a wasteful number, since it uses less digits than its factorization.

47647632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992670 (or 992664 counting only the distinct ones).

The product of its digits is 169344, while the sum is 39.

The square root of 47647632 is about 6902.7264178729. The cubic root of 47647632 is about 362.5326347155.

The spelling of 47647632 in words is "forty-seven million, six hundred forty-seven thousand, six hundred thirty-two".