426770 has 8 divisors (see below), whose sum is σ = 768204. Its totient is φ = 170704.

The previous prime is 426763. The next prime is 426773. The reversal of 426770 is 77624.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 361 = 653^2 + 19^2 .

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

It is not an unprimeable number, because it can be changed into a prime (426773) by changing a digit.

426770 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21329 + ... + 21348.

2⁴²⁶⁷⁷⁰ is an apocalyptic number.

426770 is a deficient number, since it is larger than the sum of its proper divisors (341434).

426770 is a wasteful number, since it uses less digits than its factorization.

426770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42684.

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

The square root of 426770 is about 653.2763580599. The cubic root of 426770 is about 75.2889593443.

The spelling of 426770 in words is "four hundred twenty-six thousand, seven hundred seventy".