506736773 has 4 divisors (see below), whose sum is σ = 507042060. Its totient is φ = 506431488.

The previous prime is 506736767. The next prime is 506736809. The reversal of 506736773 is 377637605.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 435890884 + 70845889 = 20878^2 + 8417^2 .

It is a cyclic number.

It is not a de Polignac number, because 506736773 - 2¹⁶ = 506671237 is a prime.

It is a super-2 number, since 2×506736773² = 513564314220907058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506736733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150140 + ... + 153477.

It is an arithmetic number, because the mean of its divisors is an integer number (126760515).

Almost surely, 2^506736773 is an apocalyptic number.

It is an amenable number.

506736773 is a deficient number, since it is larger than the sum of its proper divisors (305287).

506736773 is a wasteful number, since it uses less digits than its factorization.

506736773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305286.

The product of its (nonzero) digits is 555660, while the sum is 44.

The square root of 506736773 is about 22510.8145787752. The cubic root of 506736773 is about 797.2492887622.

The spelling of 506736773 in words is "five hundred six million, seven hundred thirty-six thousand, seven hundred seventy-three".