60721470720 has 864 divisors, whose sum is σ = 236245847040. Its totient is φ = 14750760960.

The previous prime is 60721470713. The next prime is 60721470727. The reversal of 60721470720 is 2707412706.

It is a happy number.

60721470720 is a `hidden beast` number, since 607 + 2 + 1 + 47 + 0 + 7 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (60721470713) and next prime (60721470727).

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60721470727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 386760882 + ... + 386761038.

Almost surely, 2^60721470720 is an apocalyptic number.

60721470720 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 60721470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118122923520).

60721470720 is an abundant number, since it is smaller than the sum of its proper divisors (175524376320).

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

60721470720 is a wasteful number, since it uses less digits than its factorization.

60721470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

It can be divided in two parts, 60721 and 470720, that added together give a 12-th power (531441 = 3¹²).

The spelling of 60721470720 in words is "sixty billion, seven hundred twenty-one million, four hundred seventy thousand, seven hundred twenty".