195973272 has 96 divisors (see below), whose sum is σ = 581490000. Its totient is φ = 59132160.

The previous prime is 195973243. The next prime is 195973303. The reversal of 195973272 is 272379591.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 276054 + ... + 276762.

Almost surely, 2^195973272 is an apocalyptic number.

195973272 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 195973272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290745000).

195973272 is an abundant number, since it is smaller than the sum of its proper divisors (385516728).

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

195973272 is a wasteful number, since it uses less digits than its factorization.

195973272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1074 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 195973272 is about 13999.0453960261. The cubic root of 195973272 is about 580.8521678661.

The spelling of 195973272 in words is "one hundred ninety-five million, nine hundred seventy-three thousand, two hundred seventy-two".