68753605 has 4 divisors (see below), whose sum is σ = 82504332. Its totient is φ = 55002880.

The previous prime is 68753579. The next prime is 68753611. The reversal of 68753605 is 50635786.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12173121 + 56580484 = 3489^2 + 7522^2 .

It is not a de Polignac number, because 68753605 - 2⁹ = 68753093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6875356 + ... + 6875365.

It is an arithmetic number, because the mean of its divisors is an integer number (20626083).

Almost surely, 2^68753605 is an apocalyptic number.

It is an amenable number.

68753605 is a deficient number, since it is larger than the sum of its proper divisors (13750727).

68753605 is a wasteful number, since it uses less digits than its factorization.

68753605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13750726.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 68753605 is about 8291.7793627182. The cubic root of 68753605 is about 409.6677955465.

The spelling of 68753605 in words is "sixty-eight million, seven hundred fifty-three thousand, six hundred five".