67722117120 has 704 divisors, whose sum is σ = 278622314640. Its totient is φ = 15479341056.

The previous prime is 67722117059. The next prime is 67722117137. The reversal of 67722117120 is 2171122776.

It is a Jordan-Polya number, since it can be written as 9! ⋅ 4! ⋅ (3!)⁵.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 9674588157 + ... + 9674588163.

Almost surely, 2^67722117120 is an apocalyptic number.

67722117120 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 67722117120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139311157320).

67722117120 is an abundant number, since it is smaller than the sum of its proper divisors (210900197520).

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

67722117120 is an frugal number, since it uses more digits than its factorization.

67722117120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

Adding to 67722117120 its reverse (2171122776), we get a palindrome (69893239896).

The spelling of 67722117120 in words is "sixty-seven billion, seven hundred twenty-two million, one hundred seventeen thousand, one hundred twenty".