426745 has 8 divisors (see below), whose sum is σ = 558720. Its totient is φ = 310320.

The previous prime is 426743. The next prime is 426757. The reversal of 426745 is 547624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426745 - 2¹ = 426743 is a prime.

It is a super-2 number, since 2×426745² = 364222590050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825 + ... + 3934.

It is an arithmetic number, because the mean of its divisors is an integer number (69840).

2⁴²⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

426745 is a deficient number, since it is larger than the sum of its proper divisors (131975).

426745 is a wasteful number, since it uses less digits than its factorization.

426745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775.

The product of its digits is 6720, while the sum is 28.

The square root of 426745 is about 653.2572234580. The cubic root of 426745 is about 75.2874891841.

The spelling of 426745 in words is "four hundred twenty-six thousand, seven hundred forty-five".