68259653 has 16 divisors (see below), whose sum is σ = 88805376. Its totient is φ = 50875440.

The previous prime is 68259643. The next prime is 68259679. The reversal of 68259653 is 35695286.

It is a happy number.

It is not a de Polignac number, because 68259653 - 2⁶ = 68259589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68259643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17501 + ... + 21042.

It is an arithmetic number, because the mean of its divisors is an integer number (5550336).

Almost surely, 2^68259653 is an apocalyptic number.

It is an amenable number.

68259653 is a deficient number, since it is larger than the sum of its proper divisors (20545723).

68259653 is a wasteful number, since it uses less digits than its factorization.

68259653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38584.

The product of its digits is 388800, while the sum is 44.

The square root of 68259653 is about 8261.9400264103. The cubic root of 68259653 is about 408.6843670083.

The spelling of 68259653 in words is "sixty-eight million, two hundred fifty-nine thousand, six hundred fifty-three".