60933721 has 2 divisors, whose sum is σ = 60933722. Its totient is φ = 60933720.

The previous prime is 60933713. The next prime is 60933731. The reversal of 60933721 is 12733906.

60933721 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., 30958096 + 29975625 = 5564^2 + 5475^2 .

It is a cyclic number.

It is not a de Polignac number, because 60933721 - 2³ = 60933713 is a prime.

It is not a weakly prime, because it can be changed into another prime (60933731) 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, 30466860 + 30466861.

It is an arithmetic number, because the mean of its divisors is an integer number (30466861).

Almost surely, 2^60933721 is an apocalyptic number.

It is an amenable number.

60933721 is a deficient number, since it is larger than the sum of its proper divisors (1).

60933721 is an equidigital number, since it uses as much as digits as its factorization.

60933721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 60933721 is about 7806.0054445280. The cubic root of 60933721 is about 393.5070944581.

The spelling of 60933721 in words is "sixty million, nine hundred thirty-three thousand, seven hundred twenty-one".