30328733 has 2 divisors, whose sum is σ = 30328734. Its totient is φ = 30328732.

The previous prime is 30328687. The next prime is 30328747. The reversal of 30328733 is 33782303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24820324 + 5508409 = 4982^2 + 2347^2 .

It is a cyclic number.

It is not a de Polignac number, because 30328733 - 2¹⁰ = 30327709 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30328696 and 30328705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30328763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15164366 + 15164367.

It is an arithmetic number, because the mean of its divisors is an integer number (15164367).

Almost surely, 2^30328733 is an apocalyptic number.

It is an amenable number.

30328733 is a deficient number, since it is larger than the sum of its proper divisors (1).

30328733 is an equidigital number, since it uses as much as digits as its factorization.

30328733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 30328733 is about 5507.1528941913. The cubic root of 30328733 is about 311.8540744565.

The spelling of 30328733 in words is "thirty million, three hundred twenty-eight thousand, seven hundred thirty-three".