426670105 has 8 divisors (see below), whose sum is σ = 512115912. Its totient is φ = 341261568.

The previous prime is 426670103. The next prime is 426670109. The reversal of 426670105 is 501076624.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12588304 + 414081801 = 3548^2 + 20349^2 .

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 426670105 - 2¹ = 426670103 is a prime.

It is a super-2 number, since 2×426670105² = 364094757001422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426670103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35329 + ... + 45841.

It is an arithmetic number, because the mean of its divisors is an integer number (64014489).

Almost surely, 2^426670105 is an apocalyptic number.

It is an amenable number.

426670105 is a deficient number, since it is larger than the sum of its proper divisors (85445807).

426670105 is a wasteful number, since it uses less digits than its factorization.

426670105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 426670105 is about 20655.9944084036. The cubic root of 426670105 is about 752.8308453466.

The spelling of 426670105 in words is "four hundred twenty-six million, six hundred seventy thousand, one hundred five".