68472980992 has 240 divisors, whose sum is σ = 153661147200. Its totient is φ = 30451040256.

The previous prime is 68472980977. The next prime is 68472981011. The reversal of 68472980992 is 29908927486.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 459550134 + ... + 459550282.

It is an arithmetic number, because the mean of its divisors is an integer number (640254780).

Almost surely, 2^68472980992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68472980992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76830573600).

68472980992 is an abundant number, since it is smaller than the sum of its proper divisors (85188166208).

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

68472980992 is a wasteful number, since it uses less digits than its factorization.

68472980992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 324 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 68472980992 in words is "sixty-eight billion, four hundred seventy-two million, nine hundred eighty thousand, nine hundred ninety-two".