68340015307204 has 9 divisors (see below), whose sum is σ = 119595055721421. Its totient is φ = 34169999386800.

The previous prime is 68340015307163. The next prime is 68340015307231. The reversal of 68340015307204 is 40270351004386.

The square root of 68340015307204 is 8266802.

It is a perfect power (a square), and thus also a powerful number.

68340015307204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13218299947204 + 55121715360000 = 3635698^2 + 7424400^2 .

It is a super-3 number, since 3×68340015307204³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 14466904 + ... + 18600304.

Almost surely, 2^{68340015307204} is an apocalyptic number.

68340015307204 is the 8266802-nd square number.

It is an amenable number.

68340015307204 is a deficient number, since it is larger than the sum of its proper divisors (51255040414217).

68340015307204 is an frugal number, since it uses more digits than its factorization.

68340015307204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8266806 (or 4133403 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 68340015307204 in words is "sixty-eight trillion, three hundred forty billion, fifteen million, three hundred seven thousand, two hundred four".