774371040 has 96 divisors (see below), whose sum is σ = 2463574176. Its totient is φ = 204441600.

The previous prime is 774370957. The next prime is 774371053. The reversal of 774371040 is 40173477.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 774370992 and 774371010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40494 + ... + 56466.

It is an arithmetic number, because the mean of its divisors is an integer number (25662231).

Almost surely, 2^774371040 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 774371040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231787088).

774371040 is an abundant number, since it is smaller than the sum of its proper divisors (1689203136).

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

774371040 is a wasteful number, since it uses less digits than its factorization.

774371040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092 (or 16084 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 774371040 is about 27827.5230662019. The cubic root of 774371040 is about 918.2967224936.

The spelling of 774371040 in words is "seven hundred seventy-four million, three hundred seventy-one thousand, forty".