505272700 has 72 divisors (see below), whose sum is σ = 1166019120. Its totient is φ = 189504000.

The previous prime is 505272683. The next prime is 505272739. The reversal of 505272700 is 7272505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190584 + ... + 193216.

It is an arithmetic number, because the mean of its divisors is an integer number (16194710).

Almost surely, 2^505272700 is an apocalyptic number.

505272700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505272700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583009560).

505272700 is an abundant number, since it is smaller than the sum of its proper divisors (660746420).

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

505272700 is a wasteful number, since it uses less digits than its factorization.

505272700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 505272700 is about 22478.2717307181. The cubic root of 505272700 is about 796.4807391217.

The spelling of 505272700 in words is "five hundred five million, two hundred seventy-two thousand, seven hundred".