425770 has 8 divisors (see below), whose sum is σ = 766404. Its totient is φ = 170304.

The previous prime is 425713. The next prime is 425779. The reversal of 425770 is 77524.

425770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 413449 + 12321 = 643^2 + 111^2 .

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 (425779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21279 + ... + 21298.

2⁴²⁵⁷⁷⁰ is an apocalyptic number.

425770 is a deficient number, since it is larger than the sum of its proper divisors (340634).

425770 is a wasteful number, since it uses less digits than its factorization.

425770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42584.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 425770 is about 652.5105363134. The cubic root of 425770 is about 75.2301080963.

The spelling of 425770 in words is "four hundred twenty-five thousand, seven hundred seventy".