68420727900 has 432 divisors, whose sum is σ = 261941359680. Its totient is φ = 14581555200.

The previous prime is 68420727889. The next prime is 68420727929. The reversal of 68420727900 is 972702486.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11670970 + ... + 11676830.

It is an arithmetic number, because the mean of its divisors is an integer number (606345740).

Almost surely, 2^68420727900 is an apocalyptic number.

68420727900 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 68420727900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130970679840).

68420727900 is an abundant number, since it is smaller than the sum of its proper divisors (193520631780).

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

68420727900 is a wasteful number, since it uses less digits than its factorization.

68420727900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014 (or 6004 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 68420727900 in words is "sixty-eight billion, four hundred twenty million, seven hundred twenty-seven thousand, nine hundred".