505745733 has 8 divisors (see below), whose sum is σ = 713994048. Its totient is φ = 317330624.

The previous prime is 505745731. The next prime is 505745741. The reversal of 505745733 is 337547505.

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 505745733 - 2¹ = 505745731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505745691 and 505745700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505745731) 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, 4958241 + ... + 4958342.

It is an arithmetic number, because the mean of its divisors is an integer number (89249256).

Almost surely, 2^505745733 is an apocalyptic number.

It is an amenable number.

505745733 is a deficient number, since it is larger than the sum of its proper divisors (208248315).

505745733 is a wasteful number, since it uses less digits than its factorization.

505745733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9916603.

The product of its (nonzero) digits is 220500, while the sum is 39.

The square root of 505745733 is about 22488.7912747662. The cubic root of 505745733 is about 796.7292149518.

The spelling of 505745733 in words is "five hundred five million, seven hundred forty-five thousand, seven hundred thirty-three".