68992426844224 has 63 divisors (see below), whose sum is σ = 148250098842237. Its totient is φ = 31842259847424.

The previous prime is 68992426844207. The next prime is 68992426844239. The reversal of 68992426844224 is 42244862429986.

The square root of 68992426844224 is 8306168.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10205980302400 + 58786446541824 = 3194680^2 + 7667232^2 .

It is a super-3 number, since 3×68992426844224³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 863801539 + ... + 863881405.

It is an arithmetic number, because the mean of its divisors is an integer number (2353176172099).

Almost surely, 2^{68992426844224} is an apocalyptic number.

68992426844224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

68992426844224 is the 8306168-th square number.

It is an amenable number.

68992426844224 is an abundant number, since it is smaller than the sum of its proper divisors (79257671998013).

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

68992426844224 is an frugal number, since it uses more digits than its factorization.

68992426844224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159772 (or 79882 counting only the distinct ones).

The product of its digits is 764411904, while the sum is 70.

The spelling of 68992426844224 in words is "sixty-eight trillion, nine hundred ninety-two billion, four hundred twenty-six million, eight hundred forty-four thousand, two hundred twenty-four".