68450959 has 4 divisors (see below), whose sum is σ = 72477504. Its totient is φ = 64424416.

The previous prime is 68450947. The next prime is 68450971. The reversal of 68450959 is 95905486.

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

It is an interprime number because it is at equal distance from previous prime (68450947) and next prime (68450971).

It is a cyclic number.

It is not a de Polignac number, because 68450959 - 2¹³ = 68442767 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 (68451959) 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, 2013247 + ... + 2013280.

It is an arithmetic number, because the mean of its divisors is an integer number (18119376).

Almost surely, 2^68450959 is an apocalyptic number.

68450959 is a deficient number, since it is larger than the sum of its proper divisors (4026545).

68450959 is a wasteful number, since it uses less digits than its factorization.

68450959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4026544.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 68450959 is about 8273.5094730108. The cubic root of 68450959 is about 409.0658068084.

The spelling of 68450959 in words is "sixty-eight million, four hundred fifty thousand, nine hundred fifty-nine".