47732289 has 16 divisors (see below), whose sum is σ = 71824320. Its totient is φ = 27930560.

The previous prime is 47732273. The next prime is 47732359. The reversal of 47732289 is 98223774.

It is a cyclic number.

It is not a de Polignac number, because 47732289 - 2⁴ = 47732273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47732289.

It is not an unprimeable number, because it can be changed into a prime (47732249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23982 + ... + 25895.

It is an arithmetic number, because the mean of its divisors is an integer number (4489020).

Almost surely, 2^47732289 is an apocalyptic number.

It is an amenable number.

47732289 is a deficient number, since it is larger than the sum of its proper divisors (24092031).

47732289 is a wasteful number, since it uses less digits than its factorization.

47732289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49920.

The product of its digits is 169344, while the sum is 42.

The square root of 47732289 is about 6908.8558387044. The cubic root of 47732289 is about 362.7472152755.

The spelling of 47732289 in words is "forty-seven million, seven hundred thirty-two thousand, two hundred eighty-nine".