426168745 has 8 divisors (see below), whose sum is σ = 516094920. Its totient is φ = 337806720.

The previous prime is 426168713. The next prime is 426168751. The reversal of 426168745 is 547861624.

It can be written as a sum of positive squares in 4 ways, for example, as 74718736 + 351450009 = 8644^2 + 18747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 426168745 - 2⁵ = 426168713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390436 + ... + 391525.

It is an arithmetic number, because the mean of its divisors is an integer number (64511865).

Almost surely, 2^426168745 is an apocalyptic number.

It is an amenable number.

426168745 is a deficient number, since it is larger than the sum of its proper divisors (89926175).

426168745 is a wasteful number, since it uses less digits than its factorization.

426168745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782075.

The product of its digits is 322560, while the sum is 43.

The square root of 426168745 is about 20643.8548967968. The cubic root of 426168745 is about 752.5358577189.

The spelling of 426168745 in words is "four hundred twenty-six million, one hundred sixty-eight thousand, seven hundred forty-five".