30519073 has 16 divisors (see below), whose sum is σ = 34861120. Its totient is φ = 26485056.

The previous prime is 30519067. The next prime is 30519077. The reversal of 30519073 is 37091503.

It is a de Polignac number, because none of the positive numbers 2^k-30519073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30519077) 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 in 15 ways as a sum of consecutive naturals, for example, 38386 + ... + 39172.

It is an arithmetic number, because the mean of its divisors is an integer number (2178820).

Almost surely, 2^30519073 is an apocalyptic number.

It is an amenable number.

30519073 is a deficient number, since it is larger than the sum of its proper divisors (4342047).

30519073 is a wasteful number, since it uses less digits than its factorization.

30519073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 30519073 is about 5524.4070270030. The cubic root of 30519073 is about 312.5051024234.

The spelling of 30519073 in words is "thirty million, five hundred nineteen thousand, seventy-three".