4067707561 has 8 divisors (see below), whose sum is σ = 4084850304. Its totient is φ = 4050581040.

The previous prime is 4067707541. The next prime is 4067707577. The reversal of 4067707561 is 1657077604.

4067707561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4067707561 - 2⁵ = 4067707529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4067707541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 898275 + ... + 902791.

It is an arithmetic number, because the mean of its divisors is an integer number (510606288).

Almost surely, 2^4067707561 is an apocalyptic number.

It is an amenable number.

4067707561 is a deficient number, since it is larger than the sum of its proper divisors (17142743).

4067707561 is a wasteful number, since it uses less digits than its factorization.

4067707561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8111.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 4067707561 is about 63778.5823062884. The cubic root of 4067707561 is about 1596.3075739707.

The spelling of 4067707561 in words is "four billion, sixty-seven million, seven hundred seven thousand, five hundred sixty-one".