60721421352 has 32 divisors (see below), whose sum is σ = 155906354400. Its totient is φ = 19693433664.

The previous prime is 60721421309. The next prime is 60721421359. The reversal of 60721421352 is 25312412706.

It is a super-2 number, since 2×60721421352² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (60721421359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34189102 + ... + 34190877.

It is an arithmetic number, because the mean of its divisors is an integer number (4872073575).

Almost surely, 2^60721421352 is an apocalyptic number.

It is an amenable number.

60721421352 is an abundant number, since it is smaller than the sum of its proper divisors (95184933048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

60721421352 is a wasteful number, since it uses less digits than its factorization.

60721421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68380025 (or 68380021 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 60721421352 in words is "sixty billion, seven hundred twenty-one million, four hundred twenty-one thousand, three hundred fifty-two".