2705778970 has 16 divisors (see below), whose sum is σ = 4882929480. Its totient is φ = 1079527744.

The previous prime is 2705778941. The next prime is 2705779019. The reversal of 2705778970 is 798775072.

It can be written as a sum of positive squares in 4 ways, for example, as 1336852969 + 1368926001 = 36563^2 + 36999^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343897 + ... + 351676.

Almost surely, 2^2705778970 is an apocalyptic number.

2705778970 is a deficient number, since it is larger than the sum of its proper divisors (2177150510).

2705778970 is a wasteful number, since it uses less digits than its factorization.

2705778970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695969.

The product of its (nonzero) digits is 1728720, while the sum is 52.

The square root of 2705778970 is about 52017.1026682571. The cubic root of 2705778970 is about 1393.4694088973.

The spelling of 2705778970 in words is "two billion, seven hundred five million, seven hundred seventy-eight thousand, nine hundred seventy".