68724301 has 4 divisors (see below), whose sum is σ = 68826492. Its totient is φ = 68622112.

The previous prime is 68724289. The next prime is 68724307. The reversal of 68724301 is 10342786.

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 67404100 + 1320201 = 8210^2 + 1149^2 .

It is a cyclic number.

It is not a de Polignac number, because 68724301 - 2⁹ = 68723789 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68724307) 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 3 ways as a sum of consecutive naturals, for example, 50080 + ... + 51433.

It is an arithmetic number, because the mean of its divisors is an integer number (17206623).

Almost surely, 2^68724301 is an apocalyptic number.

It is an amenable number.

68724301 is a deficient number, since it is larger than the sum of its proper divisors (102191).

68724301 is a wasteful number, since it uses less digits than its factorization.

68724301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102190.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 68724301 is about 8290.0121230309. The cubic root of 68724301 is about 409.6095847271.

The spelling of 68724301 in words is "sixty-eight million, seven hundred twenty-four thousand, three hundred one".