2170706730 has 16 divisors (see below), whose sum is σ = 5209696224. Its totient is φ = 578855120.

The previous prime is 2170706729. The next prime is 2170706749. The reversal of 2170706730 is 376070712.

It is a junction number, because it is equal to n+sod(n) for n = 2170706691 and 2170706700.

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 7 ways as a sum of consecutive naturals, for example, 36178416 + ... + 36178475.

It is an arithmetic number, because the mean of its divisors is an integer number (325606014).

Almost surely, 2^2170706730 is an apocalyptic number.

2170706730 is an abundant number, since it is smaller than the sum of its proper divisors (3038989494).

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

2170706730 is a wasteful number, since it uses less digits than its factorization.

2170706730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72356901.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 2170706730 is about 46590.8438429698. The cubic root of 2170706730 is about 1294.7931234853.

The spelling of 2170706730 in words is "two billion, one hundred seventy million, seven hundred six thousand, seven hundred thirty".