764330485 has 4 divisors (see below), whose sum is σ = 917196588. Its totient is φ = 611464384.

The previous prime is 764330477. The next prime is 764330507. The reversal of 764330485 is 584033467.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 412617969 + 351712516 = 20313^2 + 18754^2 .

It is a cyclic number.

It is not a de Polignac number, because 764330485 - 2³ = 764330477 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 76433044 + ... + 76433053.

It is an arithmetic number, because the mean of its divisors is an integer number (229299147).

Almost surely, 2^764330485 is an apocalyptic number.

It is an amenable number.

764330485 is a deficient number, since it is larger than the sum of its proper divisors (152866103).

764330485 is a wasteful number, since it uses less digits than its factorization.

764330485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152866102.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 764330485 is about 27646.5275396387. The cubic root of 764330485 is about 914.3105419632.

It can be divided in two parts, 76 and 4330485, that added together give a square (4330561 = 2081²).

The spelling of 764330485 in words is "seven hundred sixty-four million, three hundred thirty thousand, four hundred eighty-five".