195305472 has 112 divisors (see below), whose sum is σ = 579302880. Its totient is φ = 65028096.

The previous prime is 195305449. The next prime is 195305479. The reversal of 195305472 is 274503591.

195305472 is a `hidden beast` number, since 1 + 9 + 530 + 54 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (195305479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220743 + ... + 221625.

Almost surely, 2^195305472 is an apocalyptic number.

195305472 is a gapful number since it is divisible by the number (12) 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 195305472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (289651440).

195305472 is an abundant number, since it is smaller than the sum of its proper divisors (383997408).

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

195305472 is an frugal number, since it uses more digits than its factorization.

195305472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 195305472 is about 13975.1734157398. The cubic root of 195305472 is about 580.1916449530.

The spelling of 195305472 in words is "one hundred ninety-five million, three hundred five thousand, four hundred seventy-two".