47717407 has 2 divisors, whose sum is σ = 47717408. Its totient is φ = 47717406.

The previous prime is 47717389. The next prime is 47717413. The reversal of 47717407 is 70471774.

47717407 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 47717407 - 2⁷ = 47717279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47717477) 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, 23858703 + 23858704.

It is an arithmetic number, because the mean of its divisors is an integer number (23858704).

Almost surely, 2^47717407 is an apocalyptic number.

47717407 is a deficient number, since it is larger than the sum of its proper divisors (1).

47717407 is an equidigital number, since it uses as much as digits as its factorization.

47717407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38416, while the sum is 37.

The square root of 47717407 is about 6907.7787312565. The cubic root of 47717407 is about 362.7095121797.

The spelling of 47717407 in words is "forty-seven million, seven hundred seventeen thousand, four hundred seven".