30073045 has 8 divisors (see below), whose sum is σ = 37063224. Its totient is φ = 23408064.

The previous prime is 30073027. The next prime is 30073073. The reversal of 30073045 is 54037003.

It can be written as a sum of positive squares in 4 ways, for example, as 11771761 + 18301284 = 3431^2 + 4278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30073045 - 2⁹ = 30072533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 81094 + ... + 81463.

It is an arithmetic number, because the mean of its divisors is an integer number (4632903).

Almost surely, 2^30073045 is an apocalyptic number.

It is an amenable number.

30073045 is a deficient number, since it is larger than the sum of its proper divisors (6990179).

30073045 is a wasteful number, since it uses less digits than its factorization.

30073045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162599.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 30073045 is about 5483.8895867805. The cubic root of 30073045 is about 310.9752326371.

The spelling of 30073045 in words is "thirty million, seventy-three thousand, forty-five".