768281 has 8 divisors (see below), whose sum is σ = 833184. Its totient is φ = 705600.

The previous prime is 768263. The next prime is 768301. The reversal of 768281 is 182867.

768281 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-768281 is a prime.

It is a super-2 number, since 2×768281² = 1180511389922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206 + ... + 1256.

It is an arithmetic number, because the mean of its divisors is an integer number (104148).

2⁷⁶⁸²⁸¹ is an apocalyptic number.

It is an amenable number.

768281 is a deficient number, since it is larger than the sum of its proper divisors (64903).

768281 is a wasteful number, since it uses less digits than its factorization.

768281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111.

The product of its digits is 5376, while the sum is 32.

The square root of 768281 is about 876.5164003029. The cubic root of 768281 is about 91.5883069556.

The spelling of 768281 in words is "seven hundred sixty-eight thousand, two hundred eighty-one".