427718 has 4 divisors (see below), whose sum is σ = 641580. Its totient is φ = 213858.

The previous prime is 427717. The next prime is 427723. The reversal of 427718 is 817724.

427718 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 427718.

It is not an unprimeable number, because it can be changed into a prime (427711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106928 + ... + 106931.

It is an arithmetic number, because the mean of its divisors is an integer number (160395).

2⁴²⁷⁷¹⁸ is an apocalyptic number.

427718 is a deficient number, since it is larger than the sum of its proper divisors (213862).

427718 is a wasteful number, since it uses less digits than its factorization.

427718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213861.

The product of its digits is 3136, while the sum is 29.

The square root of 427718 is about 654.0015290502. The cubic root of 427718 is about 75.3446655014.

The spelling of 427718 in words is "four hundred twenty-seven thousand, seven hundred eighteen".