195393072 has 40 divisors (see below), whose sum is σ = 576875776. Its totient is φ = 55826496.

The previous prime is 195393059. The next prime is 195393083. The reversal of 195393072 is 270393591.

195393072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 195393072.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290428 + ... + 291099.

Almost surely, 2^195393072 is an apocalyptic number.

195393072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195393072 is an abundant number, since it is smaller than the sum of its proper divisors (381482704).

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

195393072 is a wasteful number, since it uses less digits than its factorization.

195393072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581545 (or 581539 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 195393072 is about 13978.3071936483. The cubic root of 195393072 is about 580.2783760802.

The spelling of 195393072 in words is "one hundred ninety-five million, three hundred ninety-three thousand, seventy-two".