805072912 has 20 divisors (see below), whose sum is σ = 1782661696. Its totient is φ = 345031200.

The previous prime is 805072903. The next prime is 805072913. The reversal of 805072912 is 219270508.

805072912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (805072913) 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, 3593964 + ... + 3594187.

Almost surely, 2^805072912 is an apocalyptic number.

It is an amenable number.

805072912 is an abundant number, since it is smaller than the sum of its proper divisors (977588784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805072912 is a wasteful number, since it uses less digits than its factorization.

805072912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7188166 (or 7188160 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 805072912 is about 28373.8067942953. The cubic root of 805072912 is about 930.2758313900.

The spelling of 805072912 in words is "eight hundred five million, seventy-two thousand, nine hundred twelve".