60721107390720 has 2160 divisors, whose sum is σ = 262087719284160. Its totient is φ = 13373362372608.

The previous prime is 60721107390709. The next prime is 60721107390751. The reversal of 60721107390720 is 2709370112706.

60721107390720 is a `hidden beast` number, since 60 + 72 + 110 + 7 + 390 + 7 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 20112985371 + ... + 20112988389.

It is an arithmetic number, because the mean of its divisors is an integer number (121336907076).

Almost surely, 2^{60721107390720} is an apocalyptic number.

60721107390720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60721107390720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131043859642080).

60721107390720 is an abundant number, since it is smaller than the sum of its proper divisors (201366611893440).

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

60721107390720 is a wasteful number, since it uses less digits than its factorization.

60721107390720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3210 (or 3180 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The spelling of 60721107390720 in words is "sixty trillion, seven hundred twenty-one billion, one hundred seven million, three hundred ninety thousand, seven hundred twenty".