764152328 has 8 divisors (see below), whose sum is σ = 1432785630. Its totient is φ = 382076160.

The previous prime is 764152321. The next prime is 764152343. The reversal of 764152328 is 823251467.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 761649604 + 2502724 = 27598^2 + 1582^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 764152291 and 764152300.

It is not an unprimeable number, because it can be changed into a prime (764152321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47759513 + ... + 47759528.

Almost surely, 2^764152328 is an apocalyptic number.

It is an amenable number.

764152328 is a deficient number, since it is larger than the sum of its proper divisors (668633302).

764152328 is a wasteful number, since it uses less digits than its factorization.

764152328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95519047 (or 95519043 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 764152328 is about 27643.3053016458. The cubic root of 764152328 is about 914.2394978778.

The spelling of 764152328 in words is "seven hundred sixty-four million, one hundred fifty-two thousand, three hundred twenty-eight".