768533 has 4 divisors (see below), whose sum is σ = 771660. Its totient is φ = 765408.

The previous prime is 768503. The next prime is 768541. The reversal of 768533 is 335867.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 335867 = 7 ⋅47981.

It can be written as a sum of positive squares in 2 ways, for example, as 253009 + 515524 = 503^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 768533 - 2¹⁰ = 767509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 768533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768503) 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 3 ways as a sum of consecutive naturals, for example, 1160 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (192915).

2⁷⁶⁸⁵³³ is an apocalyptic number.

It is an amenable number.

768533 is a deficient number, since it is larger than the sum of its proper divisors (3127).

768533 is a wasteful number, since it uses less digits than its factorization.

768533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126.

The product of its digits is 15120, while the sum is 32.

The square root of 768533 is about 876.6601393927. The cubic root of 768533 is about 91.5983196681.

The spelling of 768533 in words is "seven hundred sixty-eight thousand, five hundred thirty-three".