774074880 has 200 divisors, whose sum is σ = 2773234332. Its totient is φ = 206364672.

The previous prime is 774074879. The next prime is 774074887. The reversal of 774074880 is 88470477.

It can be written as a sum of positive squares in 2 ways, for example, as 772395264 + 1679616 = 27792^2 + 1296^2 .

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

It is not an unprimeable number, because it can be changed into a prime (774074887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 205494 + ... + 209226.

Almost surely, 2^774074880 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 774074880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386617166).

774074880 is an abundant number, since it is smaller than the sum of its proper divisors (1999159452).

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

774074880 is an equidigital number, since it uses as much as digits as its factorization.

774074880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768 (or 3743 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 774074880 is about 27822.2012069498. The cubic root of 774074880 is about 918.1796393291.

The spelling of 774074880 in words is "seven hundred seventy-four million, seventy-four thousand, eight hundred eighty".