68508297 has 24 divisors (see below), whose sum is σ = 116258688. Its totient is φ = 38325600.

The previous prime is 68508269. The next prime is 68508299. The reversal of 68508297 is 79280586.

It is not a de Polignac number, because 68508297 - 2¹⁰ = 68507273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68508299) 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 in 23 ways as a sum of consecutive naturals, for example, 25329 + ... + 27902.

It is an arithmetic number, because the mean of its divisors is an integer number (4844112).

Almost surely, 2^68508297 is an apocalyptic number.

It is an amenable number.

68508297 is a deficient number, since it is larger than the sum of its proper divisors (47750391).

68508297 is a wasteful number, since it uses less digits than its factorization.

68508297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53261 (or 53258 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 68508297 is about 8276.9739035471. The cubic root of 68508297 is about 409.1799930306.

The spelling of 68508297 in words is "sixty-eight million, five hundred eight thousand, two hundred ninety-seven".