68024399 has 2 divisors, whose sum is σ = 68024400. Its totient is φ = 68024398.

The previous prime is 68024381. The next prime is 68024431. The reversal of 68024399 is 99342086.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68024399 is a prime.

It is a super-2 number, since 2×68024399² = 9254637718622402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68024309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34012199 + 34012200.

It is an arithmetic number, because the mean of its divisors is an integer number (34012200).

Almost surely, 2^68024399 is an apocalyptic number.

68024399 is a deficient number, since it is larger than the sum of its proper divisors (1).

68024399 is an equidigital number, since it uses as much as digits as its factorization.

68024399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 68024399 is about 8247.6905252319. The cubic root of 68024399 is about 408.2143221497.

The spelling of 68024399 in words is "sixty-eight million, twenty-four thousand, three hundred ninety-nine".