194747072 has 56 divisors (see below), whose sum is σ = 434315616. Its totient is φ = 85966848.

The previous prime is 194747071. The next prime is 194747081. The reversal of 194747072 is 270747491.

194747072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (194747071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14048 + ... + 24224.

It is an arithmetic number, because the mean of its divisors is an integer number (7755636).

Almost surely, 2^194747072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194747072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217157808).

194747072 is an abundant number, since it is smaller than the sum of its proper divisors (239568544).

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

194747072 is a wasteful number, since it uses less digits than its factorization.

194747072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225 (or 10215 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 194747072 is about 13955.1808300717. The cubic root of 194747072 is about 579.6381730566.

The spelling of 194747072 in words is "one hundred ninety-four million, seven hundred forty-seven thousand, seventy-two".