29728200730 has 128 divisors (see below), whose sum is σ = 59615170560. Its totient is φ = 10622976000.

The previous prime is 29728200707. The next prime is 29728200739. The reversal of 29728200730 is 3700282792.

It is not an unprimeable number, because it can be changed into a prime (29728200739) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123353410 + ... + 123353650.

It is an arithmetic number, because the mean of its divisors is an integer number (465743520).

Almost surely, 2^29728200730 is an apocalyptic number.

29728200730 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

29728200730 is a wasteful number, since it uses less digits than its factorization.

29728200730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 84672, while the sum is 40.

The spelling of 29728200730 in words is "twenty-nine billion, seven hundred twenty-eight million, two hundred thousand, seven hundred thirty".