60752721 has 4 divisors (see below), whose sum is σ = 81003632. Its totient is φ = 40501812.

The previous prime is 60752711. The next prime is 60752743. The reversal of 60752721 is 12725706.

60752721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 60752721 - 2¹⁴ = 60736337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60752711) 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, 10125451 + ... + 10125456.

It is an arithmetic number, because the mean of its divisors is an integer number (20250908).

Almost surely, 2^60752721 is an apocalyptic number.

It is an amenable number.

60752721 is a deficient number, since it is larger than the sum of its proper divisors (20250911).

60752721 is a wasteful number, since it uses less digits than its factorization.

60752721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20250910.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 60752721 is about 7794.4031843368. The cubic root of 60752721 is about 393.1170782102.

The spelling of 60752721 in words is "sixty million, seven hundred fifty-two thousand, seven hundred twenty-one".