775273238 has 16 divisors (see below), whose sum is σ = 1170396864. Its totient is φ = 385149000.

The previous prime is 775273237. The next prime is 775273267. The reversal of 775273238 is 832372577.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775273237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232781 + ... + 236087.

It is an arithmetic number, because the mean of its divisors is an integer number (73149804).

Almost surely, 2^775273238 is an apocalyptic number.

775273238 is a deficient number, since it is larger than the sum of its proper divisors (395123626).

775273238 is a wasteful number, since it uses less digits than its factorization.

775273238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027.

The product of its digits is 493920, while the sum is 44.

The square root of 775273238 is about 27843.7288810245. The cubic root of 775273238 is about 918.6532113443.

The spelling of 775273238 in words is "seven hundred seventy-five million, two hundred seventy-three thousand, two hundred thirty-eight".