68250737 has 2 divisors, whose sum is σ = 68250738. Its totient is φ = 68250736.

The previous prime is 68250727. The next prime is 68250751. The reversal of 68250737 is 73705286.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64625521 + 3625216 = 8039^2 + 1904^2 .

It is a cyclic number.

It is not a de Polignac number, because 68250737 - 2¹² = 68246641 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68250737.

It is not a weakly prime, because it can be changed into another prime (68250727) by changing a digit.

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 as a sum of consecutive naturals, namely, 34125368 + 34125369.

It is an arithmetic number, because the mean of its divisors is an integer number (34125369).

Almost surely, 2^68250737 is an apocalyptic number.

It is an amenable number.

68250737 is a deficient number, since it is larger than the sum of its proper divisors (1).

68250737 is an equidigital number, since it uses as much as digits as its factorization.

68250737 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 68250737 is about 8261.4004260779. The cubic root of 68250737 is about 408.6665722676. Note that the first 3 decimals are identical.

The spelling of 68250737 in words is "sixty-eight million, two hundred fifty thousand, seven hundred thirty-seven".