67989790260 has 288 divisors, whose sum is σ = 246416526720. Its totient is φ = 15517910016.

The previous prime is 67989790237. The next prime is 67989790289. The reversal of 67989790260 is 6209798976.

It is a super-2 number, since 2×67989790260² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 23997804 + ... + 24000636.

It is an arithmetic number, because the mean of its divisors is an integer number (855612940).

Almost surely, 2^67989790260 is an apocalyptic number.

67989790260 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 67989790260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123208263360).

67989790260 is an abundant number, since it is smaller than the sum of its proper divisors (178426736460).

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

67989790260 is a wasteful number, since it uses less digits than its factorization.

67989790260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772 (or 3757 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 63.

The spelling of 67989790260 in words is "sixty-seven billion, nine hundred eighty-nine million, seven hundred ninety thousand, two hundred sixty".