764805330 has 48 divisors (see below), whose sum is σ = 2008205784. Its totient is φ = 201926400.

The previous prime is 764805329. The next prime is 764805331. The reversal of 764805330 is 33508467.

It is a happy number.

764805330 is a `hidden beast` number, since 7 + 648 + 0 + 5 + 3 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (764805329) and next prime (764805331).

It can be written as a sum of positive squares in 4 ways, for example, as 764577801 + 227529 = 27651^2 + 477^2 .

It is not an unprimeable number, because it can be changed into a prime (764805331) 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, 32979 + ... + 51158.

Almost surely, 2^764805330 is an apocalyptic number.

764805330 is an abundant number, since it is smaller than the sum of its proper divisors (1243400454).

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

764805330 is a wasteful number, since it uses less digits than its factorization.

764805330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84251 (or 84248 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 764805330 is about 27655.1139936179. The cubic root of 764805330 is about 914.4998431104.

It can be divided in two parts, 76480 and 5330, that added together give a triangular number (81810 = T₄₀₄).

The spelling of 764805330 in words is "seven hundred sixty-four million, eight hundred five thousand, three hundred thirty".