766728363 has 8 divisors (see below), whose sum is σ = 1055282176. Its totient is φ = 494663400.

The previous prime is 766728359. The next prime is 766728367. The reversal of 766728363 is 363827667.

It is an interprime number because it is at equal distance from previous prime (766728359) and next prime (766728367).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 766728363 - 2² = 766728359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (766728367) 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 7 ways as a sum of consecutive naturals, for example, 4122103 + ... + 4122288.

It is an arithmetic number, because the mean of its divisors is an integer number (131910272).

Almost surely, 2^766728363 is an apocalyptic number.

766728363 is a deficient number, since it is larger than the sum of its proper divisors (288553813).

766728363 is a wasteful number, since it uses less digits than its factorization.

766728363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244425.

The product of its digits is 1524096, while the sum is 48.

The square root of 766728363 is about 27689.8602921719. The cubic root of 766728363 is about 915.2656769795.

The spelling of 766728363 in words is "seven hundred sixty-six million, seven hundred twenty-eight thousand, three hundred sixty-three".