47332287 has 24 divisors (see below), whose sum is σ = 73922160. Its totient is φ = 29082240.

The previous prime is 47332261. The next prime is 47332291. The reversal of 47332287 is 78223374.

47332287 is a `hidden beast` number, since 47 + 332 + 287 = 666.

It is not a de Polignac number, because 47332287 - 2⁶ = 47332223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47332237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2587 + ... + 10067.

It is an arithmetic number, because the mean of its divisors is an integer number (3080090).

Almost surely, 2^47332287 is an apocalyptic number.

47332287 is a deficient number, since it is larger than the sum of its proper divisors (26589873).

47332287 is a wasteful number, since it uses less digits than its factorization.

47332287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543 (or 7540 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 47332287 is about 6879.8464372397. The cubic root of 47332287 is about 361.7310839220.

The spelling of 47332287 in words is "forty-seven million, three hundred thirty-two thousand, two hundred eighty-seven".