147647 has 2 divisors, whose sum is σ = 147648. Its totient is φ = 147646.

The previous prime is 147629. The next prime is 147661. The reversal of 147647 is 746741.

It is a happy number.

147647 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 147647 - 2⁶ = 147583 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147647.

It is not a weakly prime, because it can be changed into another prime (147607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73823 + 73824.

It is an arithmetic number, because the mean of its divisors is an integer number (73824).

2¹⁴⁷⁶⁴⁷ is an apocalyptic number.

147647 is a deficient number, since it is larger than the sum of its proper divisors (1).

147647 is an equidigital number, since it uses as much as digits as its factorization.

147647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4704, while the sum is 29.

The square root of 147647 is about 384.2486174341. The cubic root of 147647 is about 52.8536367635.

The spelling of 147647 in words is "one hundred forty-seven thousand, six hundred forty-seven".