426573607 has 4 divisors (see below), whose sum is σ = 426731976. Its totient is φ = 426415240.

The previous prime is 426573577. The next prime is 426573613. The reversal of 426573607 is 706375624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 426573607 - 2¹¹ = 426571559 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426573607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426573107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75073 + ... + 80554.

It is an arithmetic number, because the mean of its divisors is an integer number (106682994).

Almost surely, 2^426573607 is an apocalyptic number.

426573607 is a deficient number, since it is larger than the sum of its proper divisors (158369).

426573607 is a wasteful number, since it uses less digits than its factorization.

426573607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158368.

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 426573607 is about 20653.6584410608. The cubic root of 426573607 is about 752.7740863131.

It can be divided in two parts, 42657 and 3607, that added together give a palindrome (46264).

The spelling of 426573607 in words is "four hundred twenty-six million, five hundred seventy-three thousand, six hundred seven".