68389468 has 48 divisors (see below), whose sum is σ = 141571584. Its totient is φ = 28296000.

The previous prime is 68389439. The next prime is 68389471. The reversal of 68389468 is 86498386.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259905 + ... + 260167.

It is an arithmetic number, because the mean of its divisors is an integer number (2949408).

Almost surely, 2^68389468 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 68389468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70785792).

68389468 is an abundant number, since it is smaller than the sum of its proper divisors (73182116).

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

68389468 is a wasteful number, since it uses less digits than its factorization.

68389468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 68389468 is about 8269.7925004198. The cubic root of 68389468 is about 408.9432791782.

The spelling of 68389468 in words is "sixty-eight million, three hundred eighty-nine thousand, four hundred sixty-eight".