764730546560 has 128 divisors (see below), whose sum is σ = 1844544303360. Its totient is φ = 303160965120.

The previous prime is 764730546551. The next prime is 764730546607. The reversal of 764730546560 is 65645037467.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68994779 + ... + 69005861.

It is an arithmetic number, because the mean of its divisors is an integer number (14410502370).

Almost surely, 2^764730546560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764730546560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922272151680).

764730546560 is an abundant number, since it is smaller than the sum of its proper divisors (1079813756800).

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

764730546560 is a wasteful number, since it uses less digits than its factorization.

764730546560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12056 (or 12044 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 764730546560 in words is "seven hundred sixty-four billion, seven hundred thirty million, five hundred forty-six thousand, five hundred sixty".