30345773 has 2 divisors, whose sum is σ = 30345774. Its totient is φ = 30345772.

The previous prime is 30345769. The next prime is 30345797. The reversal of 30345773 is 37754303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25623844 + 4721929 = 5062^2 + 2173^2 .

It is a cyclic number.

It is not a de Polignac number, because 30345773 - 2² = 30345769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30345743) 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, 15172886 + 15172887.

It is an arithmetic number, because the mean of its divisors is an integer number (15172887).

Almost surely, 2^30345773 is an apocalyptic number.

It is an amenable number.

30345773 is a deficient number, since it is larger than the sum of its proper divisors (1).

30345773 is an equidigital number, since it uses as much as digits as its factorization.

30345773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 32.

The square root of 30345773 is about 5508.6997558408. The cubic root of 30345773 is about 311.9124679116.

The spelling of 30345773 in words is "thirty million, three hundred forty-five thousand, seven hundred seventy-three".