68236297 has 4 divisors (see below), whose sum is σ = 68416720. Its totient is φ = 68055876.

The previous prime is 68236291. The next prime is 68236309. The reversal of 68236297 is 79263286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79263286 = 2 ⋅39631643.

It is a cyclic number.

It is not a de Polignac number, because 68236297 - 2⁷ = 68236169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68236291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89643 + ... + 90400.

It is an arithmetic number, because the mean of its divisors is an integer number (17104180).

Almost surely, 2^68236297 is an apocalyptic number.

It is an amenable number.

68236297 is a deficient number, since it is larger than the sum of its proper divisors (180423).

68236297 is a wasteful number, since it uses less digits than its factorization.

68236297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180422.

The product of its digits is 217728, while the sum is 43.

The square root of 68236297 is about 8260.5264360088. The cubic root of 68236297 is about 408.6377493236.

The spelling of 68236297 in words is "sixty-eight million, two hundred thirty-six thousand, two hundred ninety-seven".