30049739 has 2 divisors, whose sum is σ = 30049740. Its totient is φ = 30049738.

The previous prime is 30049729. The next prime is 30049807. The reversal of 30049739 is 93794003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30049739 - 2⁸ = 30049483 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30049699 and 30049708.

It is not a weakly prime, because it can be changed into another prime (30049729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15024869 + 15024870.

It is an arithmetic number, because the mean of its divisors is an integer number (15024870).

Almost surely, 2^30049739 is an apocalyptic number.

30049739 is a deficient number, since it is larger than the sum of its proper divisors (1).

30049739 is an equidigital number, since it uses as much as digits as its factorization.

30049739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 30049739 is about 5481.7642233135. The cubic root of 30049739 is about 310.8948787098.

The spelling of 30049739 in words is "thirty million, forty-nine thousand, seven hundred thirty-nine".