774835420 has 48 divisors (see below), whose sum is σ = 1689141888. Its totient is φ = 298344960.

The previous prime is 774835403. The next prime is 774835487. The reversal of 774835420 is 24538477.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50584 + ... + 64096.

It is an arithmetic number, because the mean of its divisors is an integer number (35190456).

Almost surely, 2^774835420 is an apocalyptic number.

It is an amenable number.

774835420 is an abundant number, since it is smaller than the sum of its proper divisors (914306468).

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

774835420 is a wasteful number, since it uses less digits than its factorization.

774835420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13630 (or 13628 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 774835420 is about 27835.8657131407. The cubic root of 774835420 is about 918.4802492506.

The spelling of 774835420 in words is "seven hundred seventy-four million, eight hundred thirty-five thousand, four hundred twenty".