774090 has 64 divisors (see below), whose sum is σ = 2142720. Its totient is φ = 198720.

The previous prime is 774083. The next prime is 774107. The reversal of 774090 is 90477.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

774090 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12660 + ... + 12720.

It is an arithmetic number, because the mean of its divisors is an integer number (33480).

2⁷⁷⁴⁰⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071360).

774090 is an abundant number, since it is smaller than the sum of its proper divisors (1368630).

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

774090 is a wasteful number, since it uses less digits than its factorization.

774090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 774090 is about 879.8238460056. The cubic root of 774090 is about 91.8185617556.

The spelling of 774090 in words is "seven hundred seventy-four thousand, ninety".