4068700581 has 16 divisors (see below), whose sum is σ = 5993026560. Its totient is φ = 2434663920.

The previous prime is 4068700577. The next prime is 4068700591. The reversal of 4068700581 is 1850078604.

4068700581 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4068700581 - 2² = 4068700577 is a prime.

It is a super-2 number, since 2×4068700581² = 33108648835659475122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068700501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777735 + ... + 782948.

It is an arithmetic number, because the mean of its divisors is an integer number (374564160).

Almost surely, 2^4068700581 is an apocalyptic number.

It is an amenable number.

4068700581 is a deficient number, since it is larger than the sum of its proper divisors (1924325979).

4068700581 is a wasteful number, since it uses less digits than its factorization.

4068700581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560776.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 4068700581 is about 63786.3667330253. The cubic root of 4068700581 is about 1596.4374617391.

The spelling of 4068700581 in words is "four billion, sixty-eight million, seven hundred thousand, five hundred eighty-one".