426573427 has 16 divisors (see below), whose sum is σ = 521593600. Its totient is φ = 340705440.

The previous prime is 426573421. The next prime is 426573431. The reversal of 426573427 is 724375624.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426573427 is a prime.

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 426573427.

It is not an unprimeable number, because it can be changed into a prime (426573421) 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 15 ways as a sum of consecutive naturals, for example, 18177 + ... + 34402.

It is an arithmetic number, because the mean of its divisors is an integer number (32599600).

Almost surely, 2^426573427 is an apocalyptic number.

426573427 is a deficient number, since it is larger than the sum of its proper divisors (95020173).

426573427 is a wasteful number, since it uses less digits than its factorization.

426573427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52666.

The product of its digits is 282240, while the sum is 40.

The square root of 426573427 is about 20653.6540834788. The cubic root of 426573427 is about 752.7739804312.

The spelling of 426573427 in words is "four hundred twenty-six million, five hundred seventy-three thousand, four hundred twenty-seven".