68652373 has 4 divisors (see below), whose sum is σ = 68869260. Its totient is φ = 68435488.

The previous prime is 68652349. The next prime is 68652391. The reversal of 68652373 is 37325686.

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 18992164 + 49660209 = 4358^2 + 7047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68652373 is a prime.

It is a super-2 number, since 2×68652373² = 9426296637062258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 (68652313) 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, 107968 + ... + 108601.

It is an arithmetic number, because the mean of its divisors is an integer number (17217315).

Almost surely, 2^68652373 is an apocalyptic number.

It is an amenable number.

68652373 is a deficient number, since it is larger than the sum of its proper divisors (216887).

68652373 is a wasteful number, since it uses less digits than its factorization.

68652373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216886.

The product of its digits is 181440, while the sum is 40.

The square root of 68652373 is about 8285.6727548220. The cubic root of 68652373 is about 409.4666334354.

The spelling of 68652373 in words is "sixty-eight million, six hundred fifty-two thousand, three hundred seventy-three".