505066747 has 8 divisors (see below), whose sum is σ = 518985216. Its totient is φ = 491280552.

The previous prime is 505066717. The next prime is 505066781. The reversal of 505066747 is 747660505.

It is a happy number.

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 505066747 - 2⁷ = 505066619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505066717) 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, 25303 + ... + 40624.

It is an arithmetic number, because the mean of its divisors is an integer number (64873152).

Almost surely, 2^505066747 is an apocalyptic number.

505066747 is a deficient number, since it is larger than the sum of its proper divisors (13918469).

505066747 is a wasteful number, since it uses less digits than its factorization.

505066747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66137.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 505066747 is about 22473.6901064333. The cubic root of 505066747 is about 796.3725072102.

The spelling of 505066747 in words is "five hundred five million, sixty-six thousand, seven hundred forty-seven".