768424 has 8 divisors (see below), whose sum is σ = 1440810. Its totient is φ = 384208.

The previous prime is 768419. The next prime is 768431. The reversal of 768424 is 424867.

It can be written as a sum of positive squares in only one way, i.e., 688900 + 79524 = 830^2 + 282^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

768424 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 as a sum of consecutive naturals, namely, 48019 + ... + 48034.

2⁷⁶⁸⁴²⁴ is an apocalyptic number.

It is an amenable number.

768424 is a deficient number, since it is larger than the sum of its proper divisors (672386).

768424 is a wasteful number, since it uses less digits than its factorization.

768424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96059 (or 96055 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 768424 is about 876.5979694250. The cubic root of 768424 is about 91.5939890413.

The spelling of 768424 in words is "seven hundred sixty-eight thousand, four hundred twenty-four".