774080680 has 16 divisors (see below), whose sum is σ = 1741681620. Its totient is φ = 309632256.

The previous prime is 774080611. The next prime is 774080683. The reversal of 774080680 is 86080477.

It can be written as a sum of positive squares in 2 ways, for example, as 722211876 + 51868804 = 26874^2 + 7202^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 19352017 = 774080680 / (7 + 7 + 4 + 0 + 8 + 0 + 6 + 8 + 0).

It is not an unprimeable number, because it can be changed into a prime (774080683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9675969 + ... + 9676048.

Almost surely, 2^774080680 is an apocalyptic number.

It is an amenable number.

774080680 is an abundant number, since it is smaller than the sum of its proper divisors (967600940).

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

774080680 is a wasteful number, since it uses less digits than its factorization.

774080680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19352028 (or 19352024 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 774080680 is about 27822.3054400601. The cubic root of 774080680 is about 918.1819325734.

The spelling of 774080680 in words is "seven hundred seventy-four million, eighty thousand, six hundred eighty".