68453850 has 48 divisors (see below), whose sum is σ = 173729952. Its totient is φ = 17828160.

The previous prime is 68453839. The next prime is 68453863. The reversal of 68453850 is 5835486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 68453799 and 68453808.

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 23 ways as a sum of consecutive naturals, for example, 1144 + ... + 11756.

It is an arithmetic number, because the mean of its divisors is an integer number (3619374).

Almost surely, 2^68453850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68453850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86864976).

68453850 is an abundant number, since it is smaller than the sum of its proper divisors (105276102).

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

68453850 is a wasteful number, since it uses less digits than its factorization.

68453850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10671 (or 10666 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 68453850 is about 8273.6841854158. The cubic root of 68453850 is about 409.0715656398.

The spelling of 68453850 in words is "sixty-eight million, four hundred fifty-three thousand, eight hundred fifty".