505766073 has 8 divisors (see below), whose sum is σ = 709847200. Its totient is φ = 319431168.

The previous prime is 505766069. The next prime is 505766077. The reversal of 505766073 is 370667505.

It is an interprime number because it is at equal distance from previous prime (505766069) and next prime (505766077).

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

It is not a de Polignac number, because 505766073 - 2² = 505766069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505766077) 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, 4436488 + ... + 4436601.

It is an arithmetic number, because the mean of its divisors is an integer number (88730900).

Almost surely, 2^505766073 is an apocalyptic number.

It is an amenable number.

505766073 is a deficient number, since it is larger than the sum of its proper divisors (204081127).

505766073 is a wasteful number, since it uses less digits than its factorization.

505766073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8873111.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 505766073 is about 22489.2434955025. The cubic root of 505766073 is about 796.7398957174.

The spelling of 505766073 in words is "five hundred five million, seven hundred sixty-six thousand, seventy-three".