68043743724 has 24 divisors (see below), whose sum is σ = 173202257088. Its totient is φ = 20619316240.

The previous prime is 68043743723. The next prime is 68043743753. The reversal of 68043743724 is 42734734086.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (68043743723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257741322 + ... + 257741585.

It is an arithmetic number, because the mean of its divisors is an integer number (7216760712).

Almost surely, 2^68043743724 is an apocalyptic number.

It is an amenable number.

68043743724 is an abundant number, since it is smaller than the sum of its proper divisors (105158513364).

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

68043743724 is a wasteful number, since it uses less digits than its factorization.

68043743724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515482925 (or 515482923 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 48.

The spelling of 68043743724 in words is "sixty-eight billion, forty-three million, seven hundred forty-three thousand, seven hundred twenty-four".