30803073 has 16 divisors (see below), whose sum is σ = 47372160. Its totient is φ = 17438976.

The previous prime is 30803063. The next prime is 30803107. The reversal of 30803073 is 37030803.

It is not a de Polignac number, because 30803073 - 2⁵ = 30803041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30803063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4440 + ... + 9017.

It is an arithmetic number, because the mean of its divisors is an integer number (2960760).

Almost surely, 2^30803073 is an apocalyptic number.

It is an amenable number.

30803073 is a deficient number, since it is larger than the sum of its proper divisors (16569087).

30803073 is a wasteful number, since it uses less digits than its factorization.

30803073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13576.

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 30803073 is about 5550.0516213816. The cubic root of 30803073 is about 313.4714660558.

Adding to 30803073 its reverse (37030803), we get a palindrome (67833876).

The spelling of 30803073 in words is "thirty million, eight hundred three thousand, seventy-three".