68740433798 has 4 divisors (see below), whose sum is σ = 103110650700. Its totient is φ = 34370216898.

The previous prime is 68740433789. The next prime is 68740433809. The reversal of 68740433798 is 89733404786.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17185108448 + ... + 17185108451.

It is an arithmetic number, because the mean of its divisors is an integer number (25777662675).

Almost surely, 2^68740433798 is an apocalyptic number.

68740433798 is a deficient number, since it is larger than the sum of its proper divisors (34370216902).

68740433798 is a wasteful number, since it uses less digits than its factorization.

68740433798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34370216901.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 68740433798 in words is "sixty-eight billion, seven hundred forty million, four hundred thirty-three thousand, seven hundred ninety-eight".