68740627 has 2 divisors, whose sum is σ = 68740628. Its totient is φ = 68740626.

The previous prime is 68740619. The next prime is 68740687. The reversal of 68740627 is 72604786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68740627 - 2³ = 68740619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68740627.

It is not a weakly prime, because it can be changed into another prime (68740687) 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, 34370313 + 34370314.

It is an arithmetic number, because the mean of its divisors is an integer number (34370314).

Almost surely, 2^68740627 is an apocalyptic number.

68740627 is a deficient number, since it is larger than the sum of its proper divisors (1).

68740627 is an equidigital number, since it uses as much as digits as its factorization.

68740627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 68740627 is about 8290.9967434561. The cubic root of 68740627 is about 409.6420174887.

It can be divided in two parts, 687 and 40627, that added together give a palindrome (41314).

The spelling of 68740627 in words is "sixty-eight million, seven hundred forty thousand, six hundred twenty-seven".