47166937 has 2 divisors, whose sum is σ = 47166938. Its totient is φ = 47166936.

The previous prime is 47166919. The next prime is 47166967. The reversal of 47166937 is 73966174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47114496 + 52441 = 6864^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 47166937 - 2⁷ = 47166809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47166893 and 47166902.

It is not a weakly prime, because it can be changed into another prime (47166907) 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 as a sum of consecutive naturals, namely, 23583468 + 23583469.

It is an arithmetic number, because the mean of its divisors is an integer number (23583469).

Almost surely, 2^47166937 is an apocalyptic number.

It is an amenable number.

47166937 is a deficient number, since it is larger than the sum of its proper divisors (1).

47166937 is an equidigital number, since it uses as much as digits as its factorization.

47166937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 43.

The square root of 47166937 is about 6867.8189405371. The cubic root of 47166937 is about 361.3093702384.

The spelling of 47166937 in words is "forty-seven million, one hundred sixty-six thousand, nine hundred thirty-seven".