705427 has 2 divisors, whose sum is σ = 705428. Its totient is φ = 705426.

The previous prime is 705421. The next prime is 705437. The reversal of 705427 is 724507.

705427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705427 - 2¹¹ = 703379 is a prime.

It is not a weakly prime, because it can be changed into another prime (705421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352713 + 352714.

It is an arithmetic number, because the mean of its divisors is an integer number (352714).

2⁷⁰⁵⁴²⁷ is an apocalyptic number.

705427 is a deficient number, since it is larger than the sum of its proper divisors (1).

705427 is an equidigital number, since it uses as much as digits as its factorization.

705427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 705427 is about 839.8970174968. The cubic root of 705427 is about 89.0192694884.

The spelling of 705427 in words is "seven hundred five thousand, four hundred twenty-seven".