30744673 has 2 divisors, whose sum is σ = 30744674. Its totient is φ = 30744672.

The previous prime is 30744661. The next prime is 30744677. The reversal of 30744673 is 37644703.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27123264 + 3621409 = 5208^2 + 1903^2 .

It is an emirp because it is prime and its reverse (37644703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30744673 - 2¹⁷ = 30613601 is a prime.

It is not a weakly prime, because it can be changed into another prime (30744677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15372336 + 15372337.

It is an arithmetic number, because the mean of its divisors is an integer number (15372337).

Almost surely, 2^30744673 is an apocalyptic number.

It is an amenable number.

30744673 is a deficient number, since it is larger than the sum of its proper divisors (1).

30744673 is an equidigital number, since it uses as much as digits as its factorization.

30744673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 30744673 is about 5544.7879129864. The cubic root of 30744673 is about 313.2732356698.

The spelling of 30744673 in words is "thirty million, seven hundred forty-four thousand, six hundred seventy-three".