47342237 has 2 divisors, whose sum is σ = 47342238. Its totient is φ = 47342236.

The previous prime is 47342233. The next prime is 47342291. The reversal of 47342237 is 73224374.

47342237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40819321 + 6522916 = 6389^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 47342237 - 2² = 47342233 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47342233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23671118 + 23671119.

It is an arithmetic number, because the mean of its divisors is an integer number (23671119).

Almost surely, 2^47342237 is an apocalyptic number.

It is an amenable number.

47342237 is a deficient number, since it is larger than the sum of its proper divisors (1).

47342237 is an equidigital number, since it uses as much as digits as its factorization.

47342237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 32.

The square root of 47342237 is about 6880.5695258460. The cubic root of 47342237 is about 361.7564293563.

The spelling of 47342237 in words is "forty-seven million, three hundred forty-two thousand, two hundred thirty-seven".