40707847 has 2 divisors, whose sum is σ = 40707848. Its totient is φ = 40707846.

The previous prime is 40707839. The next prime is 40707853. The reversal of 40707847 is 74870704.

40707847 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 is a cyclic number.

It is not a de Polignac number, because 40707847 - 2³ = 40707839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40701847) 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, 20353923 + 20353924.

It is an arithmetic number, because the mean of its divisors is an integer number (20353924).

Almost surely, 2^40707847 is an apocalyptic number.

40707847 is a deficient number, since it is larger than the sum of its proper divisors (1).

40707847 is an equidigital number, since it uses as much as digits as its factorization.

40707847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 40707847 is about 6380.2701353469. The cubic root of 40707847 is about 344.0007408268. Note that the first 3 decimals are identical.

The spelling of 40707847 in words is "forty million, seven hundred seven thousand, eight hundred forty-seven".