427678 has 8 divisors (see below), whose sum is σ = 656568. Its totient is φ = 208824.

The previous prime is 427621. The next prime is 427681. The reversal of 427678 is 876724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2401 + ... + 2572.

It is an arithmetic number, because the mean of its divisors is an integer number (82071).

2⁴²⁷⁶⁷⁸ is an apocalyptic number.

427678 is a deficient number, since it is larger than the sum of its proper divisors (228890).

427678 is a wasteful number, since it uses less digits than its factorization.

427678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its digits is 18816, while the sum is 34.

The square root of 427678 is about 653.9709473669. The cubic root of 427678 is about 75.3423166948.

The spelling of 427678 in words is "four hundred twenty-seven thousand, six hundred seventy-eight".