30272073 has 16 divisors (see below), whose sum is σ = 45756480. Its totient is φ = 17648064.

The previous prime is 30272017. The next prime is 30272083. The reversal of 30272073 is 37027203.

It is not a de Polignac number, because 30272073 - 2¹⁴ = 30255689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30272083) 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, 19686 + ... + 21167.

It is an arithmetic number, because the mean of its divisors is an integer number (2859780).

Almost surely, 2^30272073 is an apocalyptic number.

It is an amenable number.

30272073 is a deficient number, since it is larger than the sum of its proper divisors (15484407).

30272073 is a wasteful number, since it uses less digits than its factorization.

30272073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40888.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 30272073 is about 5502.0062704435. The cubic root of 30272073 is about 311.6597519445.

Adding to 30272073 its reverse (37027203), we get a palindrome (67299276).

The spelling of 30272073 in words is "thirty million, two hundred seventy-two thousand, seventy-three".