68045270756 has 12 divisors (see below), whose sum is σ = 120417193260. Its totient is φ = 33640358400.

The previous prime is 68045270743. The next prime is 68045270771. The reversal of 68045270756 is 65707254086.

It can be written as a sum of positive squares in 2 ways, for example, as 39557232100 + 28488038656 = 198890^2 + 168784^2 .

It is a super-4 number, since 4×68045270756⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95568845 + ... + 95569556.

It is an arithmetic number, because the mean of its divisors is an integer number (10034766105).

Almost surely, 2^68045270756 is an apocalyptic number.

It is an amenable number.

68045270756 is a deficient number, since it is larger than the sum of its proper divisors (52371922504).

68045270756 is a wasteful number, since it uses less digits than its factorization.

68045270756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191138494 (or 191138492 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 68045270756 in words is "sixty-eight billion, forty-five million, two hundred seventy thousand, seven hundred fifty-six".