6018720705 has 12 divisors (see below), whose sum is σ = 10432449300. Its totient is φ = 3209984352.

The previous prime is 6018720703. The next prime is 6018720727. The reversal of 6018720705 is 5070278106.

6018720705 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3155293584 + 2863427121 = 56172^2 + 53511^2 .

It is not a de Polignac number, because 6018720705 - 2¹ = 6018720703 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6018720705.

It is not an unprimeable number, because it can be changed into a prime (6018720703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66874630 + ... + 66874719.

It is an arithmetic number, because the mean of its divisors is an integer number (869370775).

Almost surely, 2^6018720705 is an apocalyptic number.

It is an amenable number.

6018720705 is a deficient number, since it is larger than the sum of its proper divisors (4413728595).

6018720705 is a wasteful number, since it uses less digits than its factorization.

6018720705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133749360 (or 133749357 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 6018720705 is about 77580.4144420485. The cubic root of 6018720705 is about 1819.0085072736.

The spelling of 6018720705 in words is "six billion, eighteen million, seven hundred twenty thousand, seven hundred five".