775020761 has 8 divisors (see below), whose sum is σ = 780810624. Its totient is φ = 769252960.

The previous prime is 775020751. The next prime is 775020767. The reversal of 775020761 is 167020577.

775020761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 775020761 - 2²² = 770826457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775020767) 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, 68660 + ... + 79146.

It is an arithmetic number, because the mean of its divisors is an integer number (97601328).

Almost surely, 2^775020761 is an apocalyptic number.

It is an amenable number.

775020761 is a deficient number, since it is larger than the sum of its proper divisors (5789863).

775020761 is a wasteful number, since it uses less digits than its factorization.

775020761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 775020761 is about 27839.1946902205. The cubic root of 775020761 is about 918.5534770493.

The spelling of 775020761 in words is "seven hundred seventy-five million, twenty thousand, seven hundred sixty-one".