68486250 has 80 divisors (see below), whose sum is σ = 195687360. Its totient is φ = 15648000.

The previous prime is 68486239. The next prime is 68486291. The reversal of 68486250 is 5268486.

It is a junction number, because it is equal to n+sod(n) for n = 68486199 and 68486208.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24946 + ... + 27554.

It is an arithmetic number, because the mean of its divisors is an integer number (2446092).

Almost surely, 2^68486250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68486250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97843680).

68486250 is an abundant number, since it is smaller than the sum of its proper divisors (127201110).

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

68486250 is a wasteful number, since it uses less digits than its factorization.

68486250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 68486250 is about 8275.6419690559. The cubic root of 68486250 is about 409.1360948966.

The spelling of 68486250 in words is "sixty-eight million, four hundred eighty-six thousand, two hundred fifty".