774930049 has 2 divisors, whose sum is σ = 774930050. Its totient is φ = 774930048.

The previous prime is 774930019. The next prime is 774930071. The reversal of 774930049 is 940039477.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746382400 + 28547649 = 27320^2 + 5343^2 .

It is a cyclic number.

It is not a de Polignac number, because 774930049 - 2⁵ = 774930017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 774929987 and 774930014.

It is not a weakly prime, because it can be changed into another prime (774930019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387465024 + 387465025.

It is an arithmetic number, because the mean of its divisors is an integer number (387465025).

Almost surely, 2^774930049 is an apocalyptic number.

It is an amenable number.

774930049 is a deficient number, since it is larger than the sum of its proper divisors (1).

774930049 is an equidigital number, since it uses as much as digits as its factorization.

774930049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 774930049 is about 27837.5654287511. The cubic root of 774930049 is about 918.5176384076.

The spelling of 774930049 in words is "seven hundred seventy-four million, nine hundred thirty thousand, forty-nine".