60502721 has 4 divisors (see below), whose sum is σ = 61354944. Its totient is φ = 59650500.

The previous prime is 60502699. The next prime is 60502723. The reversal of 60502721 is 12720506.

60502721 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, and also an emirpimes, since its reverse is a distinct semiprime: 12720506 = 2 ⋅6360253.

It is a cyclic number.

It is not a de Polignac number, because 60502721 - 2¹⁸ = 60240577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60502723) 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, 426005 + ... + 426146.

It is an arithmetic number, because the mean of its divisors is an integer number (15338736).

Almost surely, 2^60502721 is an apocalyptic number.

It is an amenable number.

60502721 is a deficient number, since it is larger than the sum of its proper divisors (852223).

60502721 is an equidigital number, since it uses as much as digits as its factorization.

60502721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852222.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 60502721 is about 7778.3495035901. The cubic root of 60502721 is about 392.5771057627.

The spelling of 60502721 in words is "sixty million, five hundred two thousand, seven hundred twenty-one".