764623340 has 48 divisors (see below), whose sum is σ = 1731354240. Its totient is φ = 281975040.

The previous prime is 764623333. The next prime is 764623357. The reversal of 764623340 is 43326467.

It is a self number, because there is not a number n which added to its sum of digits gives 764623340.

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, 318866 + ... + 321254.

It is an arithmetic number, because the mean of its divisors is an integer number (36069880).

Almost surely, 2^764623340 is an apocalyptic number.

It is an amenable number.

764623340 is an abundant number, since it is smaller than the sum of its proper divisors (966730900).

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

764623340 is a wasteful number, since it uses less digits than its factorization.

764623340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3642 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 35.

The square root of 764623340 is about 27651.8234480115. The cubic root of 764623340 is about 914.4273004547.

The spelling of 764623340 in words is "seven hundred sixty-four million, six hundred twenty-three thousand, three hundred forty".