774308216 has 32 divisors (see below), whose sum is σ = 1667174400. Its totient is φ = 333433440.

The previous prime is 774308209. The next prime is 774308239. The reversal of 774308216 is 612803477.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 774308216.

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 7 ways as a sum of consecutive naturals, for example, 229880 + ... + 233223.

It is an arithmetic number, because the mean of its divisors is an integer number (52099200).

Almost surely, 2^774308216 is an apocalyptic number.

774308216 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

774308216 is an abundant number, since it is smaller than the sum of its proper divisors (892866184).

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

774308216 is a wasteful number, since it uses less digits than its factorization.

774308216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463139 (or 463135 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 774308216 is about 27826.3942328143. The cubic root of 774308216 is about 918.2718883032.

The spelling of 774308216 in words is "seven hundred seventy-four million, three hundred eight thousand, two hundred sixteen".