68743302280 has 32 divisors (see below), whose sum is σ = 159661866240. Its totient is φ = 26610310080.

The previous prime is 68743302223. The next prime is 68743302301. The reversal of 68743302280 is 8220334786.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27717834 + ... + 27720313.

It is an arithmetic number, because the mean of its divisors is an integer number (4989433320).

Almost surely, 2^68743302280 is an apocalyptic number.

It is an amenable number.

68743302280 is an abundant number, since it is smaller than the sum of its proper divisors (90918563960).

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

68743302280 is a wasteful number, since it uses less digits than its factorization.

68743302280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55438189 (or 55438185 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 68743302280 in words is "sixty-eight billion, seven hundred forty-three million, three hundred two thousand, two hundred eighty".