805807072 has 96 divisors (see below), whose sum is σ = 1951750080. Its totient is φ = 319610880.

The previous prime is 805807063. The next prime is 805807111. The reversal of 805807072 is 270708508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230554 + ... + 234022.

It is an arithmetic number, because the mean of its divisors is an integer number (20330730).

Almost surely, 2^805807072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805807072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (975875040).

805807072 is an abundant number, since it is smaller than the sum of its proper divisors (1145943008).

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

805807072 is a wasteful number, since it uses less digits than its factorization.

805807072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 805807072 is about 28386.7411303235. The cubic root of 805807072 is about 930.5585237171.

The spelling of 805807072 in words is "eight hundred five million, eight hundred seven thousand, seventy-two".