768256702460740 has 72 divisors (see below), whose sum is σ = 1693532114848728. Its totient is φ = 292722018800640.

The previous prime is 768256702460699. The next prime is 768256702460747. The reversal of 768256702460740 is 47064207652867.

It can be written as a sum of positive squares in 4 ways, for example, as 297422860386304 + 470833842074436 = 17245952^2 + 21698706^2 .

It is not an unprimeable number, because it can be changed into a prime (768256702460747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148101787 + ... + 153201346.

It is an arithmetic number, because the mean of its divisors is an integer number (23521279372899).

Almost surely, 2^{768256702460740} is an apocalyptic number.

It is an amenable number.

768256702460740 is an abundant number, since it is smaller than the sum of its proper divisors (925275412387988).

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

768256702460740 is a wasteful number, since it uses less digits than its factorization.

768256702460740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301303429 (or 301303404 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 64.

The spelling of 768256702460740 in words is "seven hundred sixty-eight trillion, two hundred fifty-six billion, seven hundred two million, four hundred sixty thousand, seven hundred forty".