2047805730 has 24 divisors (see below), whose sum is σ = 5324295132. Its totient is φ = 546081504.

The previous prime is 2047805729. The next prime is 2047805743. The reversal of 2047805730 is 375087402.

2047805730 is a `hidden beast` number, since 2 + 0 + 4 + 7 + 80 + 573 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1932393681 + 115412049 = 43959^2 + 10743^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11376609 + ... + 11376788.

Almost surely, 2^2047805730 is an apocalyptic number.

2047805730 is an abundant number, since it is smaller than the sum of its proper divisors (3276489402).

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

2047805730 is a wasteful number, since it uses less digits than its factorization.

2047805730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22753410 (or 22753407 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 2047805730 is about 45252.6875444984. The cubic root of 2047805730 is about 1269.8806860858.

The spelling of 2047805730 in words is "two billion, forty-seven million, eight hundred five thousand, seven hundred thirty".