60721306 has 8 divisors (see below), whose sum is σ = 92179584. Its totient is φ = 29994780.

The previous prime is 60721303. The next prime is 60721307. The reversal of 60721306 is 60312706.

60721306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (60721303) 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 3 ways as a sum of consecutive naturals, for example, 182730 + ... + 183061.

It is an arithmetic number, because the mean of its divisors is an integer number (11522448).

Almost surely, 2^60721306 is an apocalyptic number.

60721306 is a deficient number, since it is larger than the sum of its proper divisors (31458278).

60721306 is a wasteful number, since it uses less digits than its factorization.

60721306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365876.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 60721306 is about 7792.3876956938. The cubic root of 60721306 is about 393.0493067475.

The spelling of 60721306 in words is "sixty million, seven hundred twenty-one thousand, three hundred six".