426772 has 6 divisors (see below), whose sum is σ = 746858. Its totient is φ = 213384.

The previous prime is 426763. The next prime is 426773. The reversal of 426772 is 277624.

It can be written as a sum of positive squares in only one way, i.e., 367236 + 59536 = 606^2 + 244^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 426772.

It is a congruent number.

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

426772 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 as a sum of consecutive naturals, namely, 53343 + ... + 53350.

2⁴²⁶⁷⁷² is an apocalyptic number.

It is an amenable number.

426772 is a deficient number, since it is larger than the sum of its proper divisors (320086).

426772 is a wasteful number, since it uses less digits than its factorization.

426772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106697 (or 106695 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 426772 is about 653.2778888038. The cubic root of 426772 is about 75.2890769546.

The spelling of 426772 in words is "four hundred twenty-six thousand, seven hundred seventy-two".