196756729 has 15 divisors (see below), whose sum is σ = 215751593. Its totient is φ = 179433384.

The previous prime is 196756687. The next prime is 196756733. The reversal of 196756729 is 927657691.

It is a happy number.

The square root of 196756729 is 14027.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 97555129 + 99201600 = 9877^2 + 9960^2 .

It is not a de Polignac number, because 196756729 - 2⁷ = 196756601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196756129) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2370522 + ... + 2370604.

Almost surely, 2^196756729 is an apocalyptic number.

196756729 is the 14027-th square number.

196756729 is the 7014-th centered octagonal number.

It is an amenable number.

196756729 is a deficient number, since it is larger than the sum of its proper divisors (18994864).

196756729 is an frugal number, since it uses more digits than its factorization.

196756729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 96 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 52.

The cubic root of 196756729 is about 581.6251773850.

The spelling of 196756729 in words is "one hundred ninety-six million, seven hundred fifty-six thousand, seven hundred twenty-nine".