2705975730 has 24 divisors (see below), whose sum is σ = 7035537132. Its totient is φ = 721593504.

The previous prime is 2705975707. The next prime is 2705975749. The reversal of 2705975730 is 375795072.

It is a happy number.

2705975730 is a `hidden beast` number, since 2 + 7 + 0 + 597 + 57 + 3 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2485720449 + 220255281 = 49857^2 + 14841^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15033109 + ... + 15033288.

Almost surely, 2^2705975730 is an apocalyptic number.

2705975730 is an abundant number, since it is smaller than the sum of its proper divisors (4329561402).

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

2705975730 is a wasteful number, since it uses less digits than its factorization.

2705975730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30066410 (or 30066407 counting only the distinct ones).

The product of its (nonzero) digits is 463050, while the sum is 45.

The square root of 2705975730 is about 52018.9939349080. The cubic root of 2705975730 is about 1393.5031850480.

The spelling of 2705975730 in words is "two billion, seven hundred five million, nine hundred seventy-five thousand, seven hundred thirty".