68241810 has 96 divisors (see below), whose sum is σ = 205232832. Its totient is φ = 14394240.

The previous prime is 68241809. The next prime is 68241839. The reversal of 68241810 is 1814286.

It is a super-2 number, since 2×68241810² = 9313889264152200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17325 + ... + 20895.

It is an arithmetic number, because the mean of its divisors is an integer number (2137842).

Almost surely, 2^68241810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68241810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102616416).

68241810 is an abundant number, since it is smaller than the sum of its proper divisors (136991022).

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

68241810 is a wasteful number, since it uses less digits than its factorization.

68241810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608 (or 3601 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 68241810 is about 8260.8601247086. The cubic root of 68241810 is about 408.6487540202.

The spelling of 68241810 in words is "sixty-eight million, two hundred forty-one thousand, eight hundred ten".