775772242 has 32 divisors (see below), whose sum is σ = 1403136000. Its totient is φ = 314245008.

The previous prime is 775772209. The next prime is 775772317. The reversal of 775772242 is 242277577.

775772242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120009 + ... + 126307.

It is an arithmetic number, because the mean of its divisors is an integer number (43848000).

Almost surely, 2^775772242 is an apocalyptic number.

775772242 is a deficient number, since it is larger than the sum of its proper divisors (627363758).

775772242 is a wasteful number, since it uses less digits than its factorization.

775772242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6790.

The product of its digits is 384160, while the sum is 43.

The square root of 775772242 is about 27852.6882365060. The cubic root of 775772242 is about 918.8502658741.

The spelling of 775772242 in words is "seven hundred seventy-five million, seven hundred seventy-two thousand, two hundred forty-two".