426365705 has 4 divisors (see below), whose sum is σ = 511638852. Its totient is φ = 341092560.

The previous prime is 426365669. The next prime is 426365707. The reversal of 426365705 is 507563624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 162205696 + 264160009 = 12736^2 + 16253^2 .

It is not a de Polignac number, because 426365705 - 2²⁰ = 425317129 is a prime.

It is a super-3 number, since 3×426365705³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426365707) 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, 42636566 + ... + 42636575.

It is an arithmetic number, because the mean of its divisors is an integer number (127909713).

Almost surely, 2^426365705 is an apocalyptic number.

It is an amenable number.

426365705 is a deficient number, since it is larger than the sum of its proper divisors (85273147).

426365705 is an equidigital number, since it uses as much as digits as its factorization.

426365705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85273146.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 426365705 is about 20648.6247726089. The cubic root of 426365705 is about 752.6517716116.

The spelling of 426365705 in words is "four hundred twenty-six million, three hundred sixty-five thousand, seven hundred five".