47493737 has 2 divisors, whose sum is σ = 47493738. Its totient is φ = 47493736.

The previous prime is 47493709. The next prime is 47493739. The reversal of 47493737 is 73739474.

47493737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35271721 + 12222016 = 5939^2 + 3496^2 .

It is a cyclic number.

It is not a de Polignac number, because 47493737 - 2¹⁶ = 47428201 is a prime.

Together with 47493739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47493739) 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, 23746868 + 23746869.

It is an arithmetic number, because the mean of its divisors is an integer number (23746869).

Almost surely, 2^47493737 is an apocalyptic number.

It is an amenable number.

47493737 is a deficient number, since it is larger than the sum of its proper divisors (1).

47493737 is an equidigital number, since it uses as much as digits as its factorization.

47493737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528, while the sum is 44.

The square root of 47493737 is about 6891.5699952913. The cubic root of 47493737 is about 362.1419043185.

The spelling of 47493737 in words is "forty-seven million, four hundred ninety-three thousand, seven hundred thirty-seven".