99000729 has 6 divisors (see below), whose sum is σ = 143001066. Its totient is φ = 66000480.

The previous prime is 99000719. The next prime is 99000739. The reversal of 99000729 is 92700099.

It is an interprime number because it is at equal distance from previous prime (99000719) and next prime (99000739).

It can be written as a sum of positive squares in only one way, i.e., 98962704 + 38025 = 9948^2 + 195^2 .

It is not a de Polignac number, because 99000729 - 2⁹ = 99000217 is a prime.

It is a super-2 number, since 2×99000729² = 19602288685062882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99000693 and 99000702.

It is not an unprimeable number, because it can be changed into a prime (99000719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5500032 + ... + 5500049.

It is an arithmetic number, because the mean of its divisors is an integer number (23833511).

Almost surely, 2^99000729 is an apocalyptic number.

It is an amenable number.

99000729 is a deficient number, since it is larger than the sum of its proper divisors (44000337).

99000729 is a wasteful number, since it uses less digits than its factorization.

99000729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11000087 (or 11000084 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 99000729 is about 9949.9110046271. The cubic root of 99000729 is about 462.6076364042.

The spelling of 99000729 in words is "ninety-nine million, seven hundred twenty-nine", and thus it is an aban number.