30838673 has 2 divisors, whose sum is σ = 30838674. Its totient is φ = 30838672.

The previous prime is 30838609. The next prime is 30838681. The reversal of 30838673 is 37683803.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28912129 + 1926544 = 5377^2 + 1388^2 .

It is an emirp because it is prime and its reverse (37683803) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30838673 - 2⁶ = 30838609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30838603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15419336 + 15419337.

It is an arithmetic number, because the mean of its divisors is an integer number (15419337).

Almost surely, 2^30838673 is an apocalyptic number.

It is an amenable number.

30838673 is a deficient number, since it is larger than the sum of its proper divisors (1).

30838673 is an equidigital number, since it uses as much as digits as its factorization.

30838673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 30838673 is about 5553.2578726366. The cubic root of 30838673 is about 313.5921822345.

The spelling of 30838673 in words is "thirty million, eight hundred thirty-eight thousand, six hundred seventy-three".