425740 has 24 divisors (see below), whose sum is σ = 1022112. Its totient is φ = 145920.

The previous prime is 425713. The next prime is 425779. The reversal of 425740 is 47524.

425740 = 4² + 5² + ... + 108².

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1381 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (42588).

2⁴²⁵⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

425740 is an abundant number, since it is smaller than the sum of its proper divisors (596372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425740 is a wasteful number, since it uses less digits than its factorization.

425740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057 (or 3055 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 425740 is about 652.4875477739. The cubic root of 425740 is about 75.2283411359.

The spelling of 425740 in words is "four hundred twenty-five thousand, seven hundred forty".