30716641 has 2 divisors, whose sum is σ = 30716642. Its totient is φ = 30716640.

The previous prime is 30716599. The next prime is 30716687. The reversal of 30716641 is 14661703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26306641 + 4410000 = 5129^2 + 2100^2 .

It is a cyclic number.

It is not a de Polignac number, because 30716641 - 2⁷ = 30716513 is a prime.

It is not a weakly prime, because it can be changed into another prime (30716941) 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, 15358320 + 15358321.

It is an arithmetic number, because the mean of its divisors is an integer number (15358321).

Almost surely, 2^30716641 is an apocalyptic number.

It is an amenable number.

30716641 is a deficient number, since it is larger than the sum of its proper divisors (1).

30716641 is an equidigital number, since it uses as much as digits as its factorization.

30716641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 30716641 is about 5542.2595572564. The cubic root of 30716641 is about 313.1779959118.

The spelling of 30716641 in words is "thirty million, seven hundred sixteen thousand, six hundred forty-one".