68533470720 has 1440 divisors, whose sum is σ = 294775633152. Its totient is φ = 14598144000.

The previous prime is 68533470647. The next prime is 68533470739. The reversal of 68533470720 is 2707433586.

68533470720 is a `hidden beast` number, since 6 + 8 + 533 + 47 + 0 + 72 + 0 = 666.

68533470720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (1440).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1123499490 + ... + 1123499550.

Almost surely, 2^68533470720 is an apocalyptic number.

68533470720 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 68533470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147387816576).

68533470720 is an abundant number, since it is smaller than the sum of its proper divisors (226242162432).

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

68533470720 is a wasteful number, since it uses less digits than its factorization.

68533470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 68533470720 in words is "sixty-eight billion, five hundred thirty-three million, four hundred seventy thousand, seven hundred twenty".