425721712 has 20 divisors (see below), whose sum is σ = 888285160. Its totient is φ = 196486848.

The previous prime is 425721707. The next prime is 425721713. The reversal of 425721712 is 217127524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425721713) 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, 1023162 + ... + 1023577.

It is an arithmetic number, because the mean of its divisors is an integer number (44414258).

Almost surely, 2^425721712 is an apocalyptic number.

It is an amenable number.

425721712 is an abundant number, since it is smaller than the sum of its proper divisors (462563448).

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

425721712 is a wasteful number, since it uses less digits than its factorization.

425721712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046760 (or 2046754 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 425721712 is about 20633.0247903694. The cubic root of 425721712 is about 752.2726395605.

The spelling of 425721712 in words is "four hundred twenty-five million, seven hundred twenty-one thousand, seven hundred twelve".