195347740 has 192 divisors, whose sum is σ = 536739840. Its totient is φ = 58164480.

The previous prime is 195347723. The next prime is 195347743. The reversal of 195347740 is 47743591.

It is a junction number, because it is equal to n+sod(n) for n = 195347693 and 195347702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195347743) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1896529 + ... + 1896631.

It is an arithmetic number, because the mean of its divisors is an integer number (2795520).

Almost surely, 2^195347740 is an apocalyptic number.

195347740 is a gapful number since it is divisible by the number (10) 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 195347740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268369920).

195347740 is an abundant number, since it is smaller than the sum of its proper divisors (341392100).

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

195347740 is a wasteful number, since it uses less digits than its factorization.

195347740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 195347740 is about 13976.6855870768. The cubic root of 195347740 is about 580.2334969491.

The spelling of 195347740 in words is "one hundred ninety-five million, three hundred forty-seven thousand, seven hundred forty".