68624383 has 2 divisors, whose sum is σ = 68624384. Its totient is φ = 68624382.

The previous prime is 68624363. The next prime is 68624389. The reversal of 68624383 is 38342686.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68624383 - 2⁹ = 68623871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68624389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34312191 + 34312192.

It is an arithmetic number, because the mean of its divisors is an integer number (34312192).

Almost surely, 2^68624383 is an apocalyptic number.

68624383 is a deficient number, since it is larger than the sum of its proper divisors (1).

68624383 is an equidigital number, since it uses as much as digits as its factorization.

68624383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 68624383 is about 8283.9835224365. The cubic root of 68624383 is about 409.4109785056.

The spelling of 68624383 in words is "sixty-eight million, six hundred twenty-four thousand, three hundred eighty-three".