812071826 has 8 divisors (see below), whose sum is σ = 1218333744. Its totient is φ = 405960580.

The previous prime is 812071817. The next prime is 812071829. The reversal of 812071826 is 628170218.

812071826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (812071829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23060 + ... + 46431.

It is an arithmetic number, because the mean of its divisors is an integer number (152291718).

Almost surely, 2^812071826 is an apocalyptic number.

812071826 is a deficient number, since it is larger than the sum of its proper divisors (406261918).

812071826 is a wasteful number, since it uses less digits than its factorization.

812071826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75336.

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 812071826 is about 28496.8739689110. The cubic root of 812071826 is about 932.9638461223.

The spelling of 812071826 in words is "eight hundred twelve million, seventy-one thousand, eight hundred twenty-six".