68421150 has 216 divisors, whose sum is σ = 223278120. Its totient is φ = 14958720.

The previous prime is 68421097. The next prime is 68421163. The reversal of 68421150 is 5112486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 639397 + ... + 639503.

It is an arithmetic number, because the mean of its divisors is an integer number (1033695).

Almost surely, 2^68421150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68421150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111639060).

68421150 is an abundant number, since it is smaller than the sum of its proper divisors (154856970).

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

68421150 is a wasteful number, since it uses less digits than its factorization.

68421150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 68421150 is about 8271.7078043171. The cubic root of 68421150 is about 409.0064182413.

The spelling of 68421150 in words is "sixty-eight million, four hundred twenty-one thousand, one hundred fifty".