774040 has 32 divisors (see below), whose sum is σ = 1792080. Its totient is φ = 300672.

The previous prime is 774023. The next prime is 774047. The reversal of 774040 is 40477.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (774047) 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, 1219 + ... + 1741.

2⁷⁷⁴⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896040).

774040 is an abundant number, since it is smaller than the sum of its proper divisors (1018040).

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

774040 is a wasteful number, since it uses less digits than its factorization.

774040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 774040 is about 879.7954307679. The cubic root of 774040 is about 91.8165847990.

It can be divided in two parts, 7 and 74040, that added together give a palindrome (74047).

The spelling of 774040 in words is "seven hundred seventy-four thousand, forty", and thus it is an iban number.