706427 has 2 divisors, whose sum is σ = 706428. Its totient is φ = 706426.

The previous prime is 706417. The next prime is 706463. The reversal of 706427 is 724607.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 706427 - 2¹⁰ = 705403 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 706396 and 706405.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 706427.

It is not a weakly prime, because it can be changed into another prime (706417) 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, 353213 + 353214.

It is an arithmetic number, because the mean of its divisors is an integer number (353214).

2⁷⁰⁶⁴²⁷ is an apocalyptic number.

706427 is a deficient number, since it is larger than the sum of its proper divisors (1).

706427 is an equidigital number, since it uses as much as digits as its factorization.

706427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 706427 is about 840.4921177501. The cubic root of 706427 is about 89.0613136397.

It can be divided in two parts, 70642 and 7, that multiplied together give a palindrome (494494).

The spelling of 706427 in words is "seven hundred six thousand, four hundred twenty-seven".