67722124086 has 160 divisors (see below), whose sum is σ = 165624668352. Its totient is φ = 20595824640.

The previous prime is 67722124033. The next prime is 67722124087. The reversal of 67722124086 is 68042122776.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67722124087) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 31689210 + ... + 31691346.

Almost surely, 2^67722124086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67722124086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82812334176).

67722124086 is an abundant number, since it is smaller than the sum of its proper divisors (97902544266).

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

67722124086 is a wasteful number, since it uses less digits than its factorization.

67722124086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516 (or 2507 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 67722124086 in words is "sixty-seven billion, seven hundred twenty-two million, one hundred twenty-four thousand, eighty-six".