505273748 has 12 divisors (see below), whose sum is σ = 1010547552. Its totient is φ = 216545880.

The previous prime is 505273723. The next prime is 505273753. The reversal of 505273748 is 847372505.

505273748 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9022718 + ... + 9022773.

It is an arithmetic number, because the mean of its divisors is an integer number (84212296).

Almost surely, 2^505273748 is an apocalyptic number.

It is an amenable number.

505273748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

505273748 is a wasteful number, since it uses less digits than its factorization.

505273748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18045502 (or 18045500 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 505273748 is about 22478.2950421067. The cubic root of 505273748 is about 796.4812897888.

The spelling of 505273748 in words is "five hundred five million, two hundred seventy-three thousand, seven hundred forty-eight".