826434745 has 8 divisors (see below), whose sum is σ = 1015910280. Its totient is φ = 645022080.

The previous prime is 826434743. The next prime is 826434757. The reversal of 826434745 is 547434628.

It can be written as a sum of positive squares in 4 ways, for example, as 71723961 + 754710784 = 8469^2 + 27472^2 .

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

It is not a de Polignac number, because 826434745 - 2¹ = 826434743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (826434743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2015490 + ... + 2015899.

It is an arithmetic number, because the mean of its divisors is an integer number (126988785).

Almost surely, 2^826434745 is an apocalyptic number.

It is an amenable number.

826434745 is a deficient number, since it is larger than the sum of its proper divisors (189475535).

826434745 is a wasteful number, since it uses less digits than its factorization.

826434745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4031435.

The product of its digits is 645120, while the sum is 43.

The square root of 826434745 is about 28747.7780880540. The cubic root of 826434745 is about 938.4321021723.

The spelling of 826434745 in words is "eight hundred twenty-six million, four hundred thirty-four thousand, seven hundred forty-five".