808131730 has 32 divisors (see below), whose sum is σ = 1702995840. Its totient is φ = 270314880.

The previous prime is 808131713. The next prime is 808131743. The reversal of 808131730 is 37131808.

It is a junction number, because it is equal to n+sod(n) for n = 808131692 and 808131701.

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, 137920 + ... + 143659.

It is an arithmetic number, because the mean of its divisors is an integer number (53218620).

Almost surely, 2^808131730 is an apocalyptic number.

808131730 is an abundant number, since it is smaller than the sum of its proper divisors (894864110).

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

808131730 is a wasteful number, since it uses less digits than its factorization.

808131730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281634.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 808131730 is about 28427.6578352843. The cubic root of 808131730 is about 931.4525149706.

The spelling of 808131730 in words is "eight hundred eight million, one hundred thirty-one thousand, seven hundred thirty".