426747 has 8 divisors (see below), whose sum is σ = 578880. Its totient is φ = 279560.

The previous prime is 426743. The next prime is 426757. The reversal of 426747 is 747624.

426747 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 426747 - 2² = 426743 is a prime.

It is a super-2 number, since 2×426747² = 364226004018, which contains 22 as substring.

426747 is strictly pandigital in base 7.

426747 is a lucky number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 1382.

It is an arithmetic number, because the mean of its divisors is an integer number (72360).

2⁴²⁶⁷⁴⁷ is an apocalyptic number.

426747 is a deficient number, since it is larger than the sum of its proper divisors (152133).

426747 is a wasteful number, since it uses less digits than its factorization.

426747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473.

The product of its digits is 9408, while the sum is 30.

The square root of 426747 is about 653.2587542467. The cubic root of 426747 is about 75.2876067990.

The spelling of 426747 in words is "four hundred twenty-six thousand, seven hundred forty-seven".