195427872 has 144 divisors (see below), whose sum is σ = 586692288. Its totient is φ = 61585920.

The previous prime is 195427831. The next prime is 195427873. The reversal of 195427872 is 278724591.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (195427873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079622 + ... + 1079802.

It is an arithmetic number, because the mean of its divisors is an integer number (4074252).

Almost surely, 2^195427872 is an apocalyptic number.

195427872 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 195427872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293346144).

195427872 is an abundant number, since it is smaller than the sum of its proper divisors (391264416).

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

195427872 is a wasteful number, since it uses less digits than its factorization.

195427872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 372 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 195427872 is about 13979.5519241498. The cubic root of 195427872 is about 580.3128237171.

The spelling of 195427872 in words is "one hundred ninety-five million, four hundred twenty-seven thousand, eight hundred seventy-two".