68199601 has 4 divisors (see below), whose sum is σ = 68226112. Its totient is φ = 68173092.

The previous prime is 68199587. The next prime is 68199611. The reversal of 68199601 is 10699186.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68199601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68199611) 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, 8925 + ... + 14698.

It is an arithmetic number, because the mean of its divisors is an integer number (17056528).

Almost surely, 2^68199601 is an apocalyptic number.

It is an amenable number.

68199601 is a deficient number, since it is larger than the sum of its proper divisors (26511).

68199601 is a wasteful number, since it uses less digits than its factorization.

68199601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26510.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 68199601 is about 8258.3049713606. The cubic root of 68199601 is about 408.5644840167.

The spelling of 68199601 in words is "sixty-eight million, one hundred ninety-nine thousand, six hundred one".