773536545 has 24 divisors (see below), whose sum is σ = 1373502312. Its totient is φ = 402489600.

The previous prime is 773536523. The next prime is 773536571. The reversal of 773536545 is 545635377.

773536545 is a `hidden beast` number, since 7 + 73 + 5 + 36 + 545 = 666.

773536545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13927824 + 759608721 = 3732^2 + 27561^2 .

It is not a de Polignac number, because 773536545 - 2⁸ = 773536289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 773536545.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207786 + ... + 211475.

It is an arithmetic number, because the mean of its divisors is an integer number (57229263).

Almost surely, 2^773536545 is an apocalyptic number.

It is an amenable number.

773536545 is a deficient number, since it is larger than the sum of its proper divisors (599965767).

773536545 is a wasteful number, since it uses less digits than its factorization.

773536545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419313 (or 419310 counting only the distinct ones).

The product of its digits is 1323000, while the sum is 45.

The square root of 773536545 is about 27812.5249662809. The cubic root of 773536545 is about 917.9667387952.

The spelling of 773536545 in words is "seven hundred seventy-three million, five hundred thirty-six thousand, five hundred forty-five".