704647 has 2 divisors, whose sum is σ = 704648. Its totient is φ = 704646.

The previous prime is 704617. The next prime is 704657. The reversal of 704647 is 746407.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 704647 - 2¹¹ = 702599 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (704617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352323 + 352324.

It is an arithmetic number, because the mean of its divisors is an integer number (352324).

2⁷⁰⁴⁶⁴⁷ is an apocalyptic number.

704647 is a deficient number, since it is larger than the sum of its proper divisors (1).

704647 is an equidigital number, since it uses as much as digits as its factorization.

704647 is an evil number, because the sum of its binary digits is even.

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

The square root of 704647 is about 839.4325464265. The cubic root of 704647 is about 88.9864474587.

The spelling of 704647 in words is "seven hundred four thousand, six hundred forty-seven".