68550258 has 64 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 18080832.

The previous prime is 68550247. The next prime is 68550259. The reversal of 68550258 is 85205586.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68550259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26791 + ... + 29237.

It is an arithmetic number, because the mean of its divisors is an integer number (2643840).

Almost surely, 2^68550258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68550258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84602880).

68550258 is an abundant number, since it is smaller than the sum of its proper divisors (100655502).

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

68550258 is a wasteful number, since it uses less digits than its factorization.

68550258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 68550258 is about 8279.5083187349. The cubic root of 68550258 is about 409.2635162348.

The spelling of 68550258 in words is "sixty-eight million, five hundred fifty thousand, two hundred fifty-eight".