729901011 has 24 divisors (see below), whose sum is σ = 1133613264. Its totient is φ = 416525760.

The previous prime is 729900989. The next prime is 729901033. The reversal of 729901011 is 110109927.

It is an interprime number because it is at equal distance from previous prime (729900989) and next prime (729901033).

It is not a de Polignac number, because 729901011 - 2⁹ = 729900499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 729901011.

It is not an unprimeable number, because it can be changed into a prime (729901061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122481 + ... + 128301.

It is an arithmetic number, because the mean of its divisors is an integer number (47233886).

Almost surely, 2^729901011 is an apocalyptic number.

729901011 is a deficient number, since it is larger than the sum of its proper divisors (403712253).

729901011 is a wasteful number, since it uses less digits than its factorization.

729901011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6684 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 30.

The square root of 729901011 is about 27016.6802364761. The cubic root of 729901011 is about 900.3706337661.

The spelling of 729901011 in words is "seven hundred twenty-nine million, nine hundred one thousand, eleven".