47864532 has 48 divisors (see below), whose sum is σ = 116486720. Its totient is φ = 15282432.

The previous prime is 47864521. The next prime is 47864533. The reversal of 47864532 is 23546874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47864533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28944 + ... + 30552.

Almost surely, 2^47864532 is an apocalyptic number.

It is an amenable number.

47864532 is an abundant number, since it is smaller than the sum of its proper divisors (68622188).

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

47864532 is a wasteful number, since it uses less digits than its factorization.

47864532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720 (or 1718 counting only the distinct ones).

The product of its digits is 161280, while the sum is 39.

The square root of 47864532 is about 6918.4197617664. The cubic root of 47864532 is about 363.0819051875.

The spelling of 47864532 in words is "forty-seven million, eight hundred sixty-four thousand, five hundred thirty-two".