60720018 has 16 divisors (see below), whose sum is σ = 121657440. Its totient is φ = 20203776.

The previous prime is 60720017. The next prime is 60720019. The reversal of 60720018 is 81002706.

60720018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (60720017) and next prime (60720019).

It is a self number, because there is not a number n which added to its sum of digits gives 60720018.

It is not an unprimeable number, because it can be changed into a prime (60720017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5308 + ... + 12231.

It is an arithmetic number, because the mean of its divisors is an integer number (7603590).

Almost surely, 2^60720018 is an apocalyptic number.

60720018 is an abundant number, since it is smaller than the sum of its proper divisors (60937422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60720018 is a wasteful number, since it uses less digits than its factorization.

60720018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 60720018 is about 7792.3050504969. The cubic root of 60720018 is about 393.0465276511.

The spelling of 60720018 in words is "sixty million, seven hundred twenty thousand, eighteen".