427706727 has 8 divisors (see below), whose sum is σ = 651743616. Its totient is φ = 244403832.

The previous prime is 427706707. The next prime is 427706731. The reversal of 427706727 is 727607724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 427706727 - 2¹¹ = 427704679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427706707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10183473 + ... + 10183514.

It is an arithmetic number, because the mean of its divisors is an integer number (81467952).

Almost surely, 2^427706727 is an apocalyptic number.

427706727 is a deficient number, since it is larger than the sum of its proper divisors (224036889).

427706727 is a wasteful number, since it uses less digits than its factorization.

427706727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20366997.

The product of its (nonzero) digits is 230496, while the sum is 42.

The square root of 427706727 is about 20681.0717082070. The cubic root of 427706727 is about 753.4400356382.

The spelling of 427706727 in words is "four hundred twenty-seven million, seven hundred six thousand, seven hundred twenty-seven".