47785733 has 2 divisors, whose sum is σ = 47785734. Its totient is φ = 47785732.

The previous prime is 47785711. The next prime is 47785739. The reversal of 47785733 is 33758774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43467649 + 4318084 = 6593^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 47785733 - 2⁶ = 47785669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47785739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23892866 + 23892867.

It is an arithmetic number, because the mean of its divisors is an integer number (23892867).

Almost surely, 2^47785733 is an apocalyptic number.

It is an amenable number.

47785733 is a deficient number, since it is larger than the sum of its proper divisors (1).

47785733 is an equidigital number, since it uses as much as digits as its factorization.

47785733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 44.

The square root of 47785733 is about 6912.7225461463. The cubic root of 47785733 is about 362.8825494597.

The spelling of 47785733 in words is "forty-seven million, seven hundred eighty-five thousand, seven hundred thirty-three".