60336721 has 2 divisors, whose sum is σ = 60336722. Its totient is φ = 60336720.

The previous prime is 60336719. The next prime is 60336739. The reversal of 60336721 is 12763306.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48163600 + 12173121 = 6940^2 + 3489^2 .

It is a cyclic number.

It is not a de Polignac number, because 60336721 - 2¹ = 60336719 is a prime.

Together with 60336719, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 60336721.

It is not a weakly prime, because it can be changed into another prime (60336701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30168360 + 30168361.

It is an arithmetic number, because the mean of its divisors is an integer number (30168361).

Almost surely, 2^60336721 is an apocalyptic number.

It is an amenable number.

60336721 is a deficient number, since it is larger than the sum of its proper divisors (1).

60336721 is an equidigital number, since it uses as much as digits as its factorization.

60336721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 60336721 is about 7767.6715301305. The cubic root of 60336721 is about 392.2177418128.

The spelling of 60336721 in words is "sixty million, three hundred thirty-six thousand, seven hundred twenty-one".