426724 has 6 divisors (see below), whose sum is σ = 746774. Its totient is φ = 213360.

The previous prime is 426709. The next prime is 426731. The reversal of 426724 is 427624.

It can be written as a sum of positive squares in only one way, i.e., 240100 + 186624 = 490^2 + 432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53337 + ... + 53344.

2⁴²⁶⁷²⁴ is an apocalyptic number.

It is an amenable number.

426724 is a deficient number, since it is larger than the sum of its proper divisors (320050).

426724 is a wasteful number, since it uses less digits than its factorization.

426724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106685 (or 106683 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 426724 is about 653.2411499592. The cubic root of 426724 is about 75.2862542052.

Subtracting 426724 from its reverse (427624), we obtain a square (900 = 30²).

The spelling of 426724 in words is "four hundred twenty-six thousand, seven hundred twenty-four".