774671040 has 840 divisors, whose sum is σ = 3433602480. Its totient is φ = 164229120.

The previous prime is 774671039. The next prime is 774671057. The reversal of 774671040 is 40176477.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 774670986 and 774671004.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 40772151 + ... + 40772169.

It is an arithmetic number, because the mean of its divisors is an integer number (4087622).

Almost surely, 2^774671040 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 774671040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1716801240).

774671040 is an abundant number, since it is smaller than the sum of its proper divisors (2658931440).

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

774671040 is a wasteful number, since it uses less digits than its factorization.

774671040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 774671040 is about 27832.9128910360. The cubic root of 774671040 is about 918.4152933226.

The spelling of 774671040 in words is "seven hundred seventy-four million, six hundred seventy-one thousand, forty".