60072809 has 2 divisors, whose sum is σ = 60072810. Its totient is φ = 60072808.

The previous prime is 60072791. The next prime is 60072829. The reversal of 60072809 is 90827006.

60072809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47997184 + 12075625 = 6928^2 + 3475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60072809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (60072829) 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 as a sum of consecutive naturals, namely, 30036404 + 30036405.

It is an arithmetic number, because the mean of its divisors is an integer number (30036405).

Almost surely, 2^60072809 is an apocalyptic number.

It is an amenable number.

60072809 is a deficient number, since it is larger than the sum of its proper divisors (1).

60072809 is an equidigital number, since it uses as much as digits as its factorization.

60072809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 60072809 is about 7750.6650682377. The cubic root of 60072809 is about 391.6450543278.

The spelling of 60072809 in words is "sixty million, seventy-two thousand, eight hundred nine".