47332161 has 16 divisors (see below), whose sum is σ = 70969920. Its totient is φ = 31173120.

The previous prime is 47332151. The next prime is 47332169. The reversal of 47332161 is 16123374.

47332161 is a `hidden beast` number, since 473 + 32 + 161 = 666.

It is not a de Polignac number, because 47332161 - 2⁹ = 47331649 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (47332169) 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, 8320 + ... + 12801.

It is an arithmetic number, because the mean of its divisors is an integer number (4435620).

Almost surely, 2^47332161 is an apocalyptic number.

It is an amenable number.

47332161 is a deficient number, since it is larger than the sum of its proper divisors (23637759).

47332161 is a wasteful number, since it uses less digits than its factorization.

47332161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21213 (or 21207 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 47332161 is about 6879.8372800525. The cubic root of 47332161 is about 361.7307629420.

The spelling of 47332161 in words is "forty-seven million, three hundred thirty-two thousand, one hundred sixty-one".