67722622776 has 128 divisors (see below), whose sum is σ = 193167936000. Its totient is φ = 21975715584.

The previous prime is 67722622769. The next prime is 67722622787.

It is a happy number.

67722622776 is a `hidden beast` number, since 6 + 7 + 7 + 2 + 2 + 622 + 7 + 7 + 6 = 666.

67722622776 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 1286836 + ... + 1338428.

It is an arithmetic number, because the mean of its divisors is an integer number (1509124500).

Almost surely, 2^67722622776 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 67722622776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96583968000).

67722622776 is an abundant number, since it is smaller than the sum of its proper divisors (125445313224).

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

67722622776 is a wasteful number, since it uses less digits than its factorization.

67722622776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51770 (or 51760 counting only the distinct ones).

The product of its digits is 8297856, while the sum is 54.

The spelling of 67722622776 in words is "sixty-seven billion, seven hundred twenty-two million, six hundred twenty-two thousand, seven hundred seventy-six".