68336233744 has 15 divisors (see below), whose sum is σ = 132403478853. Its totient is φ = 34167594048.

The previous prime is 68336233741. The next prime is 68336233817. The reversal of 68336233744 is 44733263386.

The square root of 68336233744 is 261412.

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

It can be written as a sum of positive squares in only one way, i.e., 60821424400 + 7514809344 = 246620^2 + 86688^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68336233741) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1012972 + ... + 1078324.

Almost surely, 2^68336233744 is an apocalyptic number.

68336233744 is the 261412-nd square number.

It is an amenable number.

68336233744 is a deficient number, since it is larger than the sum of its proper divisors (64067245109).

68336233744 is an frugal number, since it uses more digits than its factorization.

68336233744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130714 (or 65355 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 49.

Multiplying 68336233744 by its sum of digits (49), we get a square (3348475453456 = 1829884²).

The spelling of 68336233744 in words is "sixty-eight billion, three hundred thirty-six million, two hundred thirty-three thousand, seven hundred forty-four".