505746768 has 20 divisors (see below), whose sum is σ = 1306512608. Its totient is φ = 168582240.

The previous prime is 505746763. The next prime is 505746781. The reversal of 505746768 is 867647505.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 10536391 = 505746768 / (5 + 0 + 5 + 7 + 4 + 6 + 7 + 6 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505746763) 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, 5268148 + ... + 5268243.

Almost surely, 2^505746768 is an apocalyptic number.

It is an amenable number.

505746768 is an abundant number, since it is smaller than the sum of its proper divisors (800765840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505746768 is a wasteful number, since it uses less digits than its factorization.

505746768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536402 (or 10536396 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 48.

The square root of 505746768 is about 22488.8142862179. The cubic root of 505746768 is about 796.7297584490.

The spelling of 505746768 in words is "five hundred five million, seven hundred forty-six thousand, seven hundred sixty-eight".