47146937 has 2 divisors, whose sum is σ = 47146938. Its totient is φ = 47146936.

The previous prime is 47146927. The next prime is 47147041. The reversal of 47146937 is 73964174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 10374841 = 6064^2 + 3221^2 .

It is a cyclic number.

It is not a de Polignac number, because 47146937 - 2⁴ = 47146921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47146894 and 47146903.

It is not a weakly prime, because it can be changed into another prime (47146927) 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, 23573468 + 23573469.

It is an arithmetic number, because the mean of its divisors is an integer number (23573469).

Almost surely, 2^47146937 is an apocalyptic number.

It is an amenable number.

47146937 is a deficient number, since it is larger than the sum of its proper divisors (1).

47146937 is an equidigital number, since it uses as much as digits as its factorization.

47146937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 47146937 is about 6866.3627198102. The cubic root of 47146937 is about 361.2582948491.

The spelling of 47146937 in words is "forty-seven million, one hundred forty-six thousand, nine hundred thirty-seven".