470000647 has 2 divisors, whose sum is σ = 470000648. Its totient is φ = 470000646.

The previous prime is 470000633. The next prime is 470000689. The reversal of 470000647 is 746000074.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470000647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470009647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235000323 + 235000324.

It is an arithmetic number, because the mean of its divisors is an integer number (235000324).

Almost surely, 2^470000647 is an apocalyptic number.

470000647 is a deficient number, since it is larger than the sum of its proper divisors (1).

470000647 is an equidigital number, since it uses as much as digits as its factorization.

470000647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 470000647 is about 21679.4983106160. The cubic root of 470000647 is about 777.4983665009.

The spelling of 470000647 in words is "four hundred seventy million, six hundred forty-seven", and thus it is an aban number.