68250105 has 48 divisors (see below), whose sum is σ = 147498624. Its totient is φ = 28362240.

The previous prime is 68250097. The next prime is 68250107. The reversal of 68250105 is 50105286.

It is not a de Polignac number, because 68250105 - 2³ = 68250097 is a prime.

It is a super-2 number, since 2×68250105² = 9316153665022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68250107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6384 + ... + 13313.

It is an arithmetic number, because the mean of its divisors is an integer number (3072888).

Almost surely, 2^68250105 is an apocalyptic number.

It is an amenable number.

68250105 is an abundant number, since it is smaller than the sum of its proper divisors (79248519).

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

68250105 is a wasteful number, since it uses less digits than its factorization.

68250105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726 (or 19723 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 68250105 is about 8261.3621758158. The cubic root of 68250105 is about 408.6653108499.

The spelling of 68250105 in words is "sixty-eight million, two hundred fifty thousand, one hundred five".