426534727 has 4 divisors (see below), whose sum is σ = 426672576. Its totient is φ = 426396880.

The previous prime is 426534653. The next prime is 426534751. The reversal of 426534727 is 727435624.

It is a happy number.

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 426534727 - 2⁷ = 426534599 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 426534727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426564727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64174 + ... + 70507.

It is an arithmetic number, because the mean of its divisors is an integer number (106668144).

Almost surely, 2^426534727 is an apocalyptic number.

426534727 is a deficient number, since it is larger than the sum of its proper divisors (137849).

426534727 is a wasteful number, since it uses less digits than its factorization.

426534727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137848.

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

The square root of 426534727 is about 20652.7171820078. The cubic root of 426534727 is about 752.7512151171.

The spelling of 426534727 in words is "four hundred twenty-six million, five hundred thirty-four thousand, seven hundred twenty-seven".