196073728 has 18 divisors (see below), whose sum is σ = 391382054. Its totient is φ = 98036736.

The previous prime is 196073723. The next prime is 196073741. The reversal of 196073728 is 827370691.

It is a happy number.

196073728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 165071104 + 31002624 = 12848^2 + 5568^2 .

It is not an unprimeable number, because it can be changed into a prime (196073723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382701 + ... + 383212.

Almost surely, 2^196073728 is an apocalyptic number.

It is an amenable number.

196073728 is a deficient number, since it is larger than the sum of its proper divisors (195308326).

196073728 is an frugal number, since it uses more digits than its factorization.

196073728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765929 (or 765915 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 196073728 is about 14002.6328952808. The cubic root of 196073728 is about 580.9513992860.

The spelling of 196073728 in words is "one hundred ninety-six million, seventy-three thousand, seven hundred twenty-eight".