506820073 has 8 divisors (see below), whose sum is σ = 511101000. Its totient is φ = 502551168.

The previous prime is 506820071. The next prime is 506820107. The reversal of 506820073 is 370028605.

It can be written as a sum of positive squares in 4 ways, for example, as 61905424 + 444914649 = 7868^2 + 21093^2 .

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 506820073 - 2¹ = 506820071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506820071) 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, 94693 + ... + 99901.

It is an arithmetic number, because the mean of its divisors is an integer number (63887625).

Almost surely, 2^506820073 is an apocalyptic number.

It is an amenable number.

506820073 is a deficient number, since it is larger than the sum of its proper divisors (4280927).

506820073 is a wasteful number, since it uses less digits than its factorization.

506820073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 506820073 is about 22512.6647245500. The cubic root of 506820073 is about 797.2929716831.

Adding to 506820073 its reverse (370028605), we get a palindrome (876848678).

The spelling of 506820073 in words is "five hundred six million, eight hundred twenty thousand, seventy-three".