427670 has 8 divisors (see below), whose sum is σ = 769824. Its totient is φ = 171064.

The previous prime is 427621. The next prime is 427681. The reversal of 427670 is 76724.

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

It is a congruent number.

It is an unprimeable number.

427670 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21374 + ... + 21393.

It is an arithmetic number, because the mean of its divisors is an integer number (96228).

2⁴²⁷⁶⁷⁰ is an apocalyptic number.

427670 is a deficient number, since it is larger than the sum of its proper divisors (342154).

427670 is a wasteful number, since it uses less digits than its factorization.

427670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42774.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 427670 is about 653.9648308587. The cubic root of 427670 is about 75.3418469159.

The spelling of 427670 in words is "four hundred twenty-seven thousand, six hundred seventy".