68910297 has 16 divisors (see below), whose sum is σ = 94458240. Its totient is φ = 44668800.

The previous prime is 68910263. The next prime is 68910307. The reversal of 68910297 is 79201986.

It is not a de Polignac number, because 68910297 - 2¹⁰ = 68909273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68910227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14172 + ... + 18402.

It is an arithmetic number, because the mean of its divisors is an integer number (5903640).

Almost surely, 2^68910297 is an apocalyptic number.

It is an amenable number.

68910297 is a deficient number, since it is larger than the sum of its proper divisors (25547943).

68910297 is a wasteful number, since it uses less digits than its factorization.

68910297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 68910297 is about 8301.2226207951. Note that the first 3 decimals coincide. The cubic root of 68910297 is about 409.9787754232.

The spelling of 68910297 in words is "sixty-eight million, nine hundred ten thousand, two hundred ninety-seven".