195745470 has 64 divisors (see below), whose sum is σ = 489646080. Its totient is φ = 50025600.

The previous prime is 195745453. The next prime is 195745507. The reversal of 195745470 is 74547591.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100405 + ... + 102335.

It is an arithmetic number, because the mean of its divisors is an integer number (7650720).

Almost surely, 2^195745470 is an apocalyptic number.

195745470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 195745470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244823040).

195745470 is an abundant number, since it is smaller than the sum of its proper divisors (293900610).

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

195745470 is a wasteful number, since it uses less digits than its factorization.

195745470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 195745470 is about 13990.9066897039. The cubic root of 195745470 is about 580.6270171142.

The spelling of 195745470 in words is "one hundred ninety-five million, seven hundred forty-five thousand, four hundred seventy".