30666029 has 2 divisors, whose sum is σ = 30666030. Its totient is φ = 30666028.

The previous prime is 30666023. The next prime is 30666049. The reversal of 30666029 is 92066603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23020804 + 7645225 = 4798^2 + 2765^2 .

It is a cyclic number.

It is not a de Polignac number, because 30666029 - 2²⁰ = 29617453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30665986 and 30666004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30666023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15333014 + 15333015.

It is an arithmetic number, because the mean of its divisors is an integer number (15333015).

Almost surely, 2^30666029 is an apocalyptic number.

It is an amenable number.

30666029 is a deficient number, since it is larger than the sum of its proper divisors (1).

30666029 is an equidigital number, since it uses as much as digits as its factorization.

30666029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30666029 is about 5537.6916671118. The cubic root of 30666029 is about 313.0058929096.

The spelling of 30666029 in words is "thirty million, six hundred sixty-six thousand, twenty-nine".