774274680 has 128 divisors (see below), whose sum is σ = 2600251200. Its totient is φ = 204926976.

The previous prime is 774274679. The next prime is 774274717. The reversal of 774274680 is 86472477.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145344 + ... + 150576.

Almost surely, 2^774274680 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 774274680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300125600).

774274680 is an abundant number, since it is smaller than the sum of its proper divisors (1825976520).

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

774274680 is a wasteful number, since it uses less digits than its factorization.

774274680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5390 (or 5380 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The square root of 774274680 is about 27825.7916329437. The cubic root of 774274680 is about 918.2586310455.

The spelling of 774274680 in words is "seven hundred seventy-four million, two hundred seventy-four thousand, six hundred eighty".