30049729 has 2 divisors, whose sum is σ = 30049730. Its totient is φ = 30049728.

The previous prime is 30049711. The next prime is 30049739. The reversal of 30049729 is 92794003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26286129 + 3763600 = 5127^2 + 1940^2 .

It is a cyclic number.

It is not a de Polignac number, because 30049729 - 2⁷ = 30049601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30049694 and 30049703.

It is not a weakly prime, because it can be changed into another prime (30049739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15024864 + 15024865.

It is an arithmetic number, because the mean of its divisors is an integer number (15024865).

Almost surely, 2^30049729 is an apocalyptic number.

It is an amenable number.

30049729 is a deficient number, since it is larger than the sum of its proper divisors (1).

30049729 is an equidigital number, since it uses as much as digits as its factorization.

30049729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 30049729 is about 5481.7633111983. The cubic root of 30049729 is about 310.8948442231.

The spelling of 30049729 in words is "thirty million, forty-nine thousand, seven hundred twenty-nine".