774424 has 16 divisors (see below), whose sum is σ = 1659600. Its totient is φ = 331872.

The previous prime is 774377. The next prime is 774427. The reversal of 774424 is 424477.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 774392 and 774401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774427) by changing a digit.

774424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6859 + ... + 6970.

It is an arithmetic number, because the mean of its divisors is an integer number (103725).

2⁷⁷⁴⁴²⁴ is an apocalyptic number.

It is an amenable number.

774424 is an abundant number, since it is smaller than the sum of its proper divisors (885176).

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

774424 is a wasteful number, since it uses less digits than its factorization.

774424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13842 (or 13838 counting only the distinct ones).

The product of its digits is 6272, while the sum is 28.

The square root of 774424 is about 880.0136362580. The cubic root of 774424 is about 91.8317656423.

The spelling of 774424 in words is "seven hundred seventy-four thousand, four hundred twenty-four", and thus it is an iban number.