768534 has 32 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 231072.

The previous prime is 768503. The next prime is 768541. The reversal of 768534 is 435867.

It is a junction number, because it is equal to n+sod(n) for n = 768495 and 768504.

It is a congruent number.

It is an unprimeable number.

768534 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 4519 + ... + 4685.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁷⁶⁸⁵³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 768534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).

768534 is an abundant number, since it is smaller than the sum of its proper divisors (924906).

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

768534 is a wasteful number, since it uses less digits than its factorization.

768534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its digits is 20160, while the sum is 33.

The square root of 768534 is about 876.6607097390. The cubic root of 768534 is about 91.5983593968.

The spelling of 768534 in words is "seven hundred sixty-eight thousand, five hundred thirty-four".