808730945 has 64 divisors (see below), whose sum is σ = 1170505728. Its totient is φ = 530112000.

The previous prime is 808730939. The next prime is 808730957. The reversal of 808730945 is 549037808.

It is not a de Polignac number, because 808730945 - 2⁴ = 808730929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 808730896 and 808730905.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1607564 + ... + 1608066.

It is an arithmetic number, because the mean of its divisors is an integer number (18289152).

Almost surely, 2^808730945 is an apocalyptic number.

It is an amenable number.

808730945 is a deficient number, since it is larger than the sum of its proper divisors (361774783).

808730945 is a wasteful number, since it uses less digits than its factorization.

808730945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 808730945 is about 28438.1951783161. The cubic root of 808730945 is about 931.6826764672.

The spelling of 808730945 in words is "eight hundred eight million, seven hundred thirty thousand, nine hundred forty-five".