729756196 has 27 divisors (see below), whose sum is σ = 1384198641. Its totient is φ = 336486384.

The previous prime is 729756193. The next prime is 729756197. The reversal of 729756196 is 691657927.

It is a happy number.

The square root of 729756196 is 27014.

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

It can be written as a sum of positive squares in only one way, i.e., 107952100 + 621804096 = 10390^2 + 24936^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729756193) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 701845 + ... + 702883.

Almost surely, 2^729756196 is an apocalyptic number.

729756196 is the 27014-th square number.

It is an amenable number.

729756196 is a deficient number, since it is larger than the sum of its proper divisors (654442445).

729756196 is a wasteful number, since it uses less digits than its factorization.

729756196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108 (or 1054 counting only the distinct ones).

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

The cubic root of 729756196 is about 900.3110842312.

The spelling of 729756196 in words is "seven hundred twenty-nine million, seven hundred fifty-six thousand, one hundred ninety-six".