68045852736 has 105 divisors (see below), whose sum is σ = 201764914351. Its totient is φ = 22675690368.

The previous prime is 68045852731. The next prime is 68045852767. The reversal of 68045852736 is 63725854086.

The square root of 68045852736 is 260856.

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

68045852736 is a `hidden beast` number, since 6 + 8 + 0 + 4 + 585 + 27 + 36 = 666.

68045852736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68045852731) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18779821 + ... + 18783443.

Almost surely, 2^68045852736 is an apocalyptic number.

68045852736 is the 260856-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68045852736

68045852736 is an abundant number, since it is smaller than the sum of its proper divisors (133719061615).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68045852736 is an frugal number, since it uses more digits than its factorization.

68045852736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7270 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 68045852736 in words is "sixty-eight billion, forty-five million, eight hundred fifty-two thousand, seven hundred thirty-six".