426772405 has 4 divisors (see below), whose sum is σ = 512126892. Its totient is φ = 341417920.

The previous prime is 426772397. The next prime is 426772421. The reversal of 426772405 is 504277624.

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 99560484 + 327211921 = 9978^2 + 18089^2 .

It is not a de Polignac number, because 426772405 - 2³ = 426772397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42677236 + ... + 42677245.

It is an arithmetic number, because the mean of its divisors is an integer number (128031723).

Almost surely, 2^426772405 is an apocalyptic number.

It is an amenable number.

426772405 is a deficient number, since it is larger than the sum of its proper divisors (85354487).

426772405 is an equidigital number, since it uses as much as digits as its factorization.

426772405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85354486.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 426772405 is about 20658.4705387403. The cubic root of 426772405 is about 752.8910077065.

The spelling of 426772405 in words is "four hundred twenty-six million, seven hundred seventy-two thousand, four hundred five".