805305730 has 32 divisors (see below), whose sum is σ = 1470099456. Its totient is φ = 317588544.

The previous prime is 805305701. The next prime is 805305769. The reversal of 805305730 is 37503508.

It is a junction number, because it is equal to n+sod(n) for n = 805305692 and 805305701.

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, 210192 + ... + 213988.

It is an arithmetic number, because the mean of its divisors is an integer number (45940608).

Almost surely, 2^805305730 is an apocalyptic number.

805305730 is a deficient number, since it is larger than the sum of its proper divisors (664793726).

805305730 is a wasteful number, since it uses less digits than its factorization.

805305730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 805305730 is about 28377.9091900725. The cubic root of 805305730 is about 930.3654978374.

The spelling of 805305730 in words is "eight hundred five million, three hundred five thousand, seven hundred thirty".