68417297 has 4 divisors (see below), whose sum is σ = 73680180. Its totient is φ = 63154416.

The previous prime is 68417281. The next prime is 68417353. The reversal of 68417297 is 79271486.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43507216 + 24910081 = 6596^2 + 4991^2 .

It is not a de Polignac number, because 68417297 - 2⁴ = 68417281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68417207) 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 3 ways as a sum of consecutive naturals, for example, 2631422 + ... + 2631447.

It is an arithmetic number, because the mean of its divisors is an integer number (18420045).

Almost surely, 2^68417297 is an apocalyptic number.

It is an amenable number.

68417297 is a deficient number, since it is larger than the sum of its proper divisors (5262883).

68417297 is a wasteful number, since it uses less digits than its factorization.

68417297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5262882.

The product of its digits is 169344, while the sum is 44.

The square root of 68417297 is about 8271.4748987106. The cubic root of 68417297 is about 408.9987406381.

The spelling of 68417297 in words is "sixty-eight million, four hundred seventeen thousand, two hundred ninety-seven".