4068687970 has 16 divisors (see below), whose sum is σ = 7370288568. Its totient is φ = 1617108480.

The previous prime is 4068687899. The next prime is 4068688003. The reversal of 4068687970 is 797868604.

It can be written as a sum of positive squares in 4 ways, for example, as 2228878521 + 1839809449 = 47211^2 + 42893^2 .

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, 1294191 + ... + 1297330.

Almost surely, 2^4068687970 is an apocalyptic number.

4068687970 is a deficient number, since it is larger than the sum of its proper divisors (3301600598).

4068687970 is a wasteful number, since it uses less digits than its factorization.

4068687970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591685.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 4068687970 is about 63786.2678795366. The cubic root of 4068687970 is about 1596.4358123432.

The spelling of 4068687970 in words is "four billion, sixty-eight million, six hundred eighty-seven thousand, nine hundred seventy".