774640230 has 256 divisors, whose sum is σ = 2434682880. Its totient is φ = 154192896.

The previous prime is 774640213. The next prime is 774640249. The reversal of 774640230 is 32046477.

It is a junction number, because it is equal to n+sod(n) for n = 774640191 and 774640200.

It is a congruent number.

It is an unprimeable 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 127 ways as a sum of consecutive naturals, for example, 10611474 + ... + 10611546.

It is an arithmetic number, because the mean of its divisors is an integer number (9510480).

Almost surely, 2^774640230 is an apocalyptic number.

774640230 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 774640230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217341440).

774640230 is an abundant number, since it is smaller than the sum of its proper divisors (1660042650).

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

774640230 is a wasteful number, since it uses less digits than its factorization.

774640230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 774640230 is about 27832.3594041181. The cubic root of 774640230 is about 918.4031175091.

The spelling of 774640230 in words is "seven hundred seventy-four million, six hundred forty thousand, two hundred thirty".