68401199 has 4 divisors (see below), whose sum is σ = 69106464. Its totient is φ = 67695936.

The previous prime is 68401189. The next prime is 68401211. The reversal of 68401199 is 99110486.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68401199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68401129) 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, 352487 + ... + 352680.

It is an arithmetic number, because the mean of its divisors is an integer number (17276616).

Almost surely, 2^68401199 is an apocalyptic number.

68401199 is a deficient number, since it is larger than the sum of its proper divisors (705265).

68401199 is an equidigital number, since it uses as much as digits as its factorization.

68401199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705264.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 68401199 is about 8270.5017381051. The cubic root of 68401199 is about 408.9666601630.

The spelling of 68401199 in words is "sixty-eight million, four hundred one thousand, one hundred ninety-nine".