68072739404 has 6 divisors (see below), whose sum is σ = 119127293964. Its totient is φ = 34036369700.

The previous prime is 68072739403. The next prime is 68072739431. The reversal of 68072739404 is 40493727086.

It is not an unprimeable number, because it can be changed into a prime (68072739401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8509092422 + ... + 8509092429.

It is an arithmetic number, because the mean of its divisors is an integer number (19854548994).

Almost surely, 2^68072739404 is an apocalyptic number.

It is an amenable number.

68072739404 is a deficient number, since it is larger than the sum of its proper divisors (51054554560).

68072739404 is a wasteful number, since it uses less digits than its factorization.

68072739404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17018184855 (or 17018184853 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 68072739404 in words is "sixty-eight billion, seventy-two million, seven hundred thirty-nine thousand, four hundred four".