68250106 has 4 divisors (see below), whose sum is σ = 102375162. Its totient is φ = 34125052.

The previous prime is 68250097. The next prime is 68250107. The reversal of 68250106 is 60105286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40844881 + 27405225 = 6391^2 + 5235^2 .

It is a super-2 number, since 2×68250106² = 9316153938022472, 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 as a sum of consecutive naturals, namely, 17062525 + ... + 17062528.

Almost surely, 2^68250106 is an apocalyptic number.

68250106 is a deficient number, since it is larger than the sum of its proper divisors (34125056).

68250106 is a wasteful number, since it uses less digits than its factorization.

68250106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34125055.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 68250106 is about 8261.3622363385. The cubic root of 68250106 is about 408.6653128458.

The spelling of 68250106 in words is "sixty-eight million, two hundred fifty thousand, one hundred six".