764028712 has 8 divisors (see below), whose sum is σ = 1432553850. Its totient is φ = 382014352.

The previous prime is 764028659. The next prime is 764028719. The reversal of 764028712 is 217820467.

It can be written as a sum of positive squares in only one way, i.e., 706177476 + 57851236 = 26574^2 + 7606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (764028719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47751787 + ... + 47751802.

Almost surely, 2^764028712 is an apocalyptic number.

It is an amenable number.

764028712 is a deficient number, since it is larger than the sum of its proper divisors (668525138).

764028712 is a wasteful number, since it uses less digits than its factorization.

764028712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95503595 (or 95503591 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 764028712 is about 27641.0692991425. The cubic root of 764028712 is about 914.1901967457.

The spelling of 764028712 in words is "seven hundred sixty-four million, twenty-eight thousand, seven hundred twelve".