426072 has 32 divisors (see below), whose sum is σ = 1093680. Its totient is φ = 138240.

The previous prime is 426061. The next prime is 426073. The reversal of 426072 is 270624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426073) by changing a digit.

426072 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 7 ways as a sum of consecutive naturals, for example, 768 + ... + 1200.

2⁴²⁶⁰⁷² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546840).

426072 is an abundant number, since it is smaller than the sum of its proper divisors (667608).

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

426072 is a wasteful number, since it uses less digits than its factorization.

426072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 426072 is about 652.7419091800. The cubic root of 426072 is about 75.2478908766.

Adding to 426072 its reverse (270624), we get a palindrome (696696).

The spelling of 426072 in words is "four hundred twenty-six thousand, seventy-two".