775013242 has 8 divisors (see below), whose sum is σ = 1190874132. Its totient is φ = 378055200.

The previous prime is 775013233. The next prime is 775013263. The reversal of 775013242 is 242310577.

It can be written as a sum of positive squares in 2 ways, for example, as 556535281 + 218477961 = 23591^2 + 14781^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4725609 + ... + 4725772.

Almost surely, 2^775013242 is an apocalyptic number.

775013242 is a deficient number, since it is larger than the sum of its proper divisors (415860890).

775013242 is a wasteful number, since it uses less digits than its factorization.

775013242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451424.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 775013242 is about 27839.0596464751. The cubic root of 775013242 is about 918.5505065371.

The spelling of 775013242 in words is "seven hundred seventy-five million, thirteen thousand, two hundred forty-two".