30799973 has 2 divisors, whose sum is σ = 30799974. Its totient is φ = 30799972.

The previous prime is 30799949. The next prime is 30800009. The reversal of 30799973 is 37999703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 351649 = 5518^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 30799973 - 2¹⁶ = 30734437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30799933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15399986 + 15399987.

It is an arithmetic number, because the mean of its divisors is an integer number (15399987).

Almost surely, 2^30799973 is an apocalyptic number.

It is an amenable number.

30799973 is a deficient number, since it is larger than the sum of its proper divisors (1).

30799973 is an equidigital number, since it uses as much as digits as its factorization.

30799973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 321489, while the sum is 47.

The square root of 30799973 is about 5549.7723376730. The cubic root of 30799973 is about 313.4609498523.

The spelling of 30799973 in words is "thirty million, seven hundred ninety-nine thousand, nine hundred seventy-three".