775752049 has 4 divisors (see below), whose sum is σ = 775967040. Its totient is φ = 775537060.

The previous prime is 775752037. The next prime is 775752053. The reversal of 775752049 is 940257577.

775752049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 775752049 - 2¹⁵ = 775719281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775752079) 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, 101989 + ... + 109330.

It is an arithmetic number, because the mean of its divisors is an integer number (193991760).

Almost surely, 2^775752049 is an apocalyptic number.

It is an amenable number.

775752049 is a deficient number, since it is larger than the sum of its proper divisors (214991).

775752049 is a wasteful number, since it uses less digits than its factorization.

775752049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214990.

The product of its (nonzero) digits is 617400, while the sum is 46.

The square root of 775752049 is about 27852.3257377189. The cubic root of 775752049 is about 918.8422933862.

The spelling of 775752049 in words is "seven hundred seventy-five million, seven hundred fifty-two thousand, forty-nine".