769674449 has 4 divisors (see below), whose sum is σ = 769816164. Its totient is φ = 769532736.

The previous prime is 769674391. The next prime is 769674457. The reversal of 769674449 is 944476967.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 944476967 = 7 ⋅134925281.

It can be written as a sum of positive squares in 2 ways, for example, as 76300225 + 693374224 = 8735^2 + 26332^2 .

It is a cyclic number.

It is not a de Polignac number, because 769674449 - 2⁸ = 769674193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 769674394 and 769674403.

It is not an unprimeable number, because it can be changed into a prime (769614449) 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, 62372 + ... + 73685.

It is an arithmetic number, because the mean of its divisors is an integer number (192454041).

Almost surely, 2^769674449 is an apocalyptic number.

It is an amenable number.

769674449 is a deficient number, since it is larger than the sum of its proper divisors (141715).

769674449 is a wasteful number, since it uses less digits than its factorization.

769674449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141714.

The product of its digits is 9144576, while the sum is 56.

The square root of 769674449 is about 27743.0072090248. The cubic root of 769674449 is about 916.4364545566.

The spelling of 769674449 in words is "seven hundred sixty-nine million, six hundred seventy-four thousand, four hundred forty-nine".