29745109 has 2 divisors, whose sum is σ = 29745110. Its totient is φ = 29745108.

The previous prime is 29745083. The next prime is 29745139. The reversal of 29745109 is 90154792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28836900 + 908209 = 5370^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 29745109 - 2¹⁷ = 29614037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29745139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14872554 + 14872555.

It is an arithmetic number, because the mean of its divisors is an integer number (14872555).

Almost surely, 2^29745109 is an apocalyptic number.

It is an amenable number.

29745109 is a deficient number, since it is larger than the sum of its proper divisors (1).

29745109 is an equidigital number, since it uses as much as digits as its factorization.

29745109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 29745109 is about 5453.9076816536. The cubic root of 29745109 is about 309.8407402561.

The spelling of 29745109 in words is "twenty-nine million, seven hundred forty-five thousand, one hundred nine".