47073737 has 2 divisors, whose sum is σ = 47073738. Its totient is φ = 47073736.

The previous prime is 47073727. The next prime is 47073751. The reversal of 47073737 is 73737074.

It is a happy number.

47073737 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., 25441936 + 21631801 = 5044^2 + 4651^2 .

It is a cyclic number.

It is not a de Polignac number, because 47073737 - 2¹⁸ = 46811593 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47073737.

It is not a weakly prime, because it can be changed into another prime (47073707) 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, 23536868 + 23536869.

It is an arithmetic number, because the mean of its divisors is an integer number (23536869).

Almost surely, 2^47073737 is an apocalyptic number.

It is an amenable number.

47073737 is a deficient number, since it is larger than the sum of its proper divisors (1).

47073737 is an equidigital number, since it uses as much as digits as its factorization.

47073737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86436, while the sum is 38.

The square root of 47073737 is about 6861.0303162134. The cubic root of 47073737 is about 361.0712356513.

The spelling of 47073737 in words is "forty-seven million, seventy-three thousand, seven hundred thirty-seven".