774706830 has 64 divisors (see below), whose sum is σ = 2005881408. Its totient is φ = 190760960.

The previous prime is 774706787. The next prime is 774706853. The reversal of 774706830 is 38607477.

774706830 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12700 + ... + 41360.

It is an arithmetic number, because the mean of its divisors is an integer number (31341897).

Almost surely, 2^774706830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 774706830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1002940704).

774706830 is an abundant number, since it is smaller than the sum of its proper divisors (1231174578).

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

774706830 is a wasteful number, since it uses less digits than its factorization.

774706830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28741.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 774706830 is about 27833.5558274540. Note that the first 3 decimals coincide. The cubic root of 774706830 is about 918.4294367785.

The spelling of 774706830 in words is "seven hundred seventy-four million, seven hundred six thousand, eight hundred thirty".