505463730 has 16 divisors (see below), whose sum is σ = 1213113024. Its totient is φ = 134790320.

The previous prime is 505463689. The next prime is 505463731. The reversal of 505463730 is 37364505.

It is a junction number, because it is equal to n+sod(n) for n = 505463691 and 505463700.

It is not an unprimeable number, because it can be changed into a prime (505463731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8424366 + ... + 8424425.

It is an arithmetic number, because the mean of its divisors is an integer number (75819564).

Almost surely, 2^505463730 is an apocalyptic number.

505463730 is an abundant number, since it is smaller than the sum of its proper divisors (707649294).

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

505463730 is a wasteful number, since it uses less digits than its factorization.

505463730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16848801.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 505463730 is about 22482.5205437469. The cubic root of 505463730 is about 796.5811024468.

The spelling of 505463730 in words is "five hundred five million, four hundred sixty-three thousand, seven hundred thirty".