68803753 has 4 divisors (see below), whose sum is σ = 69052420. Its totient is φ = 68555088.

The previous prime is 68803717. The next prime is 68803759. The reversal of 68803753 is 35730886.

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 41062464 + 27741289 = 6408^2 + 5267^2 .

It is a cyclic number.

It is not a de Polignac number, because 68803753 - 2²⁵ = 35249321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68803759) 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, 123918 + ... + 124471.

It is an arithmetic number, because the mean of its divisors is an integer number (17263105).

Almost surely, 2^68803753 is an apocalyptic number.

It is an amenable number.

68803753 is a deficient number, since it is larger than the sum of its proper divisors (248667).

68803753 is a wasteful number, since it uses less digits than its factorization.

68803753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248666.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68803753 is about 8294.8027704099. The cubic root of 68803753 is about 409.7673734900.

The spelling of 68803753 in words is "sixty-eight million, eight hundred three thousand, seven hundred fifty-three".