828572741 has 8 divisors (see below), whose sum is σ = 881769240. Its totient is φ = 775871488.

The previous prime is 828572737. The next prime is 828572747. The reversal of 828572741 is 147275828.

It can be written as a sum of positive squares in 4 ways, for example, as 727650625 + 100922116 = 26975^2 + 10046^2 .

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 828572741 - 2² = 828572737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 828572692 and 828572701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828572747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120356 + ... + 127053.

It is an arithmetic number, because the mean of its divisors is an integer number (110221155).

Almost surely, 2^828572741 is an apocalyptic number.

It is an amenable number.

828572741 is a deficient number, since it is larger than the sum of its proper divisors (53196499).

828572741 is a wasteful number, since it uses less digits than its factorization.

828572741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247623.

The product of its digits is 250880, while the sum is 44.

The square root of 828572741 is about 28784.9394823057. The cubic root of 828572741 is about 939.2406501401.

The spelling of 828572741 in words is "eight hundred twenty-eight million, five hundred seventy-two thousand, seven hundred forty-one".