60721671 has 16 divisors (see below), whose sum is σ = 86003424. Its totient is φ = 37976064.

The previous prime is 60721651. The next prime is 60721673. The reversal of 60721671 is 17612706.

It is a happy number.

60721671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 60721671 - 2⁶ = 60721607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60721673) 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 15 ways as a sum of consecutive naturals, for example, 15421 + ... + 18953.

It is an arithmetic number, because the mean of its divisors is an integer number (5375214).

Almost surely, 2^60721671 is an apocalyptic number.

60721671 is a deficient number, since it is larger than the sum of its proper divisors (25281753).

60721671 is a wasteful number, since it uses less digits than its factorization.

60721671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 60721671 is about 7792.4111159512. The cubic root of 60721671 is about 393.0500942949.

The spelling of 60721671 in words is "sixty million, seven hundred twenty-one thousand, six hundred seventy-one".