426706727 has 2 divisors, whose sum is σ = 426706728. Its totient is φ = 426706726.

The previous prime is 426706699. The next prime is 426706733. The reversal of 426706727 is 727607624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426706727 - 2⁸ = 426706471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426706757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213353363 + 213353364.

It is an arithmetic number, because the mean of its divisors is an integer number (213353364).

Almost surely, 2^426706727 is an apocalyptic number.

426706727 is a deficient number, since it is larger than the sum of its proper divisors (1).

426706727 is an equidigital number, since it uses as much as digits as its factorization.

426706727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 426706727 is about 20656.8808632862. The cubic root of 426706727 is about 752.8523837531.

The spelling of 426706727 in words is "four hundred twenty-six million, seven hundred six thousand, seven hundred twenty-seven".