766320353 has 4 divisors (see below), whose sum is σ = 766554288. Its totient is φ = 766086420.

The previous prime is 766320343. The next prime is 766320361. The reversal of 766320353 is 353023667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 766320353 - 2⁴ = 766320337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766320343) by changing a digit.

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, 111983 + ... + 118628.

It is an arithmetic number, because the mean of its divisors is an integer number (191638572).

Almost surely, 2^766320353 is an apocalyptic number.

It is an amenable number.

766320353 is a deficient number, since it is larger than the sum of its proper divisors (233935).

766320353 is a wasteful number, since it uses less digits than its factorization.

766320353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233934.

The product of its (nonzero) digits is 68040, while the sum is 35.

The square root of 766320353 is about 27682.4918134188. The cubic root of 766320353 is about 915.1032970862.

The spelling of 766320353 in words is "seven hundred sixty-six million, three hundred twenty thousand, three hundred fifty-three".