4068520705 has 8 divisors (see below), whose sum is σ = 4883711400. Its totient is φ = 3253825536.

The previous prime is 4068520681. The next prime is 4068520783. The reversal of 4068520705 is 5070258604.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 596482929 + 3472037776 = 24423^2 + 58924^2 .

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 4068520705 - 2⁹ = 4068520193 is a prime.

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, 105570 + ... + 138859.

It is an arithmetic number, because the mean of its divisors is an integer number (610463925).

Almost surely, 2^4068520705 is an apocalyptic number.

It is an amenable number.

4068520705 is a deficient number, since it is larger than the sum of its proper divisors (815190695).

4068520705 is a wasteful number, since it uses less digits than its factorization.

4068520705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247763.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 4068520705 is about 63784.9567296240. The cubic root of 4068520705 is about 1596.4139353895.

It can be divided in two parts, 406852070 and 5, that added together give a triangular number (406852075 = T₂₈₅₂₅).

The spelling of 4068520705 in words is "four billion, sixty-eight million, five hundred twenty thousand, seven hundred five".