775225742 has 8 divisors (see below), whose sum is σ = 1200349632. Its totient is φ = 375109200.

The previous prime is 775225733. The next prime is 775225747. The reversal of 775225742 is 247522577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 775225742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775225747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6251759 + ... + 6251882.

It is an arithmetic number, because the mean of its divisors is an integer number (150043704).

Almost surely, 2^775225742 is an apocalyptic number.

775225742 is a deficient number, since it is larger than the sum of its proper divisors (425123890).

775225742 is a wasteful number, since it uses less digits than its factorization.

775225742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503674.

The product of its digits is 274400, while the sum is 41.

The square root of 775225742 is about 27842.8759649574. The cubic root of 775225742 is about 918.6344509719.

The spelling of 775225742 in words is "seven hundred seventy-five million, two hundred twenty-five thousand, seven hundred forty-two".