766214320 has 20 divisors (see below), whose sum is σ = 1781448480. Its totient is φ = 306485696.

The previous prime is 766214303. The next prime is 766214353. The reversal of 766214320 is 23412667.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4788760 + ... + 4788919.

It is an arithmetic number, because the mean of its divisors is an integer number (89072424).

Almost surely, 2^766214320 is an apocalyptic number.

It is an amenable number.

766214320 is an abundant number, since it is smaller than the sum of its proper divisors (1015234160).

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

766214320 is a wasteful number, since it uses less digits than its factorization.

766214320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577692 (or 9577686 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 766214320 is about 27680.5765835902. The cubic root of 766214320 is about 915.0610886185.

Adding to 766214320 its reverse (23412667), we get a palindrome (789626987).

The spelling of 766214320 in words is "seven hundred sixty-six million, two hundred fourteen thousand, three hundred twenty".