775752090 has 16 divisors (see below), whose sum is σ = 1861805088. Its totient is φ = 206867216.

The previous prime is 775752079. The next prime is 775752097. The reversal of 775752090 is 90257577.

775752090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (775752097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12929172 + ... + 12929231.

It is an arithmetic number, because the mean of its divisors is an integer number (116362818).

Almost surely, 2^775752090 is an apocalyptic number.

775752090 is an abundant number, since it is smaller than the sum of its proper divisors (1086052998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

775752090 is a wasteful number, since it uses less digits than its factorization.

775752090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25858413.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 775752090 is about 27852.3264737436. The cubic root of 775752090 is about 918.8423095737.

The spelling of 775752090 in words is "seven hundred seventy-five million, seven hundred fifty-two thousand, ninety".