67080292720 has 80 divisors (see below), whose sum is σ = 178419384000. Its totient is φ = 22976059392.

The previous prime is 67080292709. The next prime is 67080292729. The reversal of 67080292720 is 2729208076.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67080292729) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 508156 + ... + 626404.

It is an arithmetic number, because the mean of its divisors is an integer number (2230242300).

Almost surely, 2^67080292720 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 67080292720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89209692000).

67080292720 is an abundant number, since it is smaller than the sum of its proper divisors (111339091280).

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

67080292720 is a wasteful number, since it uses less digits than its factorization.

67080292720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119282 (or 119276 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 67080292720 in words is "sixty-seven billion, eighty million, two hundred ninety-two thousand, seven hundred twenty".