68417497 has 2 divisors, whose sum is σ = 68417498. Its totient is φ = 68417496.

The previous prime is 68417491. The next prime is 68417513. The reversal of 68417497 is 79471486.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58614336 + 9803161 = 7656^2 + 3131^2 .

It is a cyclic number.

It is not a de Polignac number, because 68417497 - 2²³ = 60028889 is a prime.

It is not a weakly prime, because it can be changed into another prime (68417491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34208748 + 34208749.

It is an arithmetic number, because the mean of its divisors is an integer number (34208749).

Almost surely, 2^68417497 is an apocalyptic number.

It is an amenable number.

68417497 is a deficient number, since it is larger than the sum of its proper divisors (1).

68417497 is an equidigital number, since it uses as much as digits as its factorization.

68417497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 68417497 is about 8271.4869884441. The cubic root of 68417497 is about 408.9991391712. Note that the first 3 decimals are identical.

It can be divided in two parts, 684 and 17497, that added together give a palindrome (18181).

The spelling of 68417497 in words is "sixty-eight million, four hundred seventeen thousand, four hundred ninety-seven".