774830 has 16 divisors (see below), whose sum is σ = 1594080. Its totient is φ = 265632.

The previous prime is 774821. The next prime is 774833. The reversal of 774830 is 38477.

It is a junction number, because it is equal to n+sod(n) for n = 774793 and 774802.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 774830.

It is not an unprimeable number, because it can be changed into a prime (774833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5465 + ... + 5604.

It is an arithmetic number, because the mean of its divisors is an integer number (99630).

2⁷⁷⁴⁸³⁰ is an apocalyptic number.

774830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

774830 is an abundant number, since it is smaller than the sum of its proper divisors (819250).

It is a weird number, because it is abundant, but not a pseudoperfect number.

774830 is a wasteful number, since it uses less digits than its factorization.

774830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11083.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 774830 is about 880.2442842757. The cubic root of 774830 is about 91.8478107645.

The spelling of 774830 in words is "seven hundred seventy-four thousand, eight hundred thirty".