766424 has 8 divisors (see below), whose sum is σ = 1437060. Its totient is φ = 383208.

The previous prime is 766421. The next prime is 766439. The reversal of 766424 is 424667.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766421) 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 as a sum of consecutive naturals, namely, 47894 + ... + 47909.

2⁷⁶⁶⁴²⁴ is an apocalyptic number.

It is an amenable number.

766424 is a deficient number, since it is larger than the sum of its proper divisors (670636).

766424 is a wasteful number, since it uses less digits than its factorization.

766424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95809 (or 95805 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 766424 is about 875.4564523721. The cubic root of 766424 is about 91.5144551998.

The spelling of 766424 in words is "seven hundred sixty-six thousand, four hundred twenty-four".