60719721 has 8 divisors (see below), whose sum is σ = 82068960. Its totient is φ = 39925152.

The previous prime is 60719719. The next prime is 60719749. The reversal of 60719721 is 12791706.

60719721 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 a de Polignac number, because 60719721 - 2¹ = 60719719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (60719921) 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 7 ways as a sum of consecutive naturals, for example, 138411 + ... + 138848.

It is an arithmetic number, because the mean of its divisors is an integer number (10258620).

Almost surely, 2^60719721 is an apocalyptic number.

It is an amenable number.

60719721 is a deficient number, since it is larger than the sum of its proper divisors (21349239).

60719721 is a wasteful number, since it uses less digits than its factorization.

60719721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277335.

The product of its (nonzero) digits is 5292, while the sum is 33.

The square root of 60719721 is about 7792.2859932115. The cubic root of 60719721 is about 393.0458868136.

The spelling of 60719721 in words is "sixty million, seven hundred nineteen thousand, seven hundred twenty-one".