195347772 has 18 divisors (see below), whose sum is σ = 493795848. Its totient is φ = 65115912.

The previous prime is 195347743. The next prime is 195347819. The reversal of 195347772 is 277743591.

195347772 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2713128 + ... + 2713199.

Almost surely, 2^195347772 is an apocalyptic number.

195347772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

195347772 is an abundant number, since it is smaller than the sum of its proper divisors (298448076).

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

195347772 is a wasteful number, since it uses less digits than its factorization.

195347772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426337 (or 5426332 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 195347772 is about 13976.6867318403. The cubic root of 195347772 is about 580.2335286319.

The spelling of 195347772 in words is "one hundred ninety-five million, three hundred forty-seven thousand, seven hundred seventy-two".