196728735 has 16 divisors (see below), whose sum is σ = 359732736. Its totient is φ = 89933088.

The previous prime is 196728703. The next prime is 196728737. The reversal of 196728735 is 537827691.

It is not a de Polignac number, because 196728735 - 2⁵ = 196728703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196728737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 936699 + ... + 936908.

It is an arithmetic number, because the mean of its divisors is an integer number (22483296).

Almost surely, 2^196728735 is an apocalyptic number.

196728735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

196728735 is a deficient number, since it is larger than the sum of its proper divisors (163004001).

196728735 is a wasteful number, since it uses less digits than its factorization.

196728735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873622.

The product of its digits is 635040, while the sum is 48.

The square root of 196728735 is about 14026.0021032367. The cubic root of 196728735 is about 581.5975920726.

The spelling of 196728735 in words is "one hundred ninety-six million, seven hundred twenty-eight thousand, seven hundred thirty-five".