30306873 has 16 divisors (see below), whose sum is σ = 41564160. Its totient is φ = 19632144.

The previous prime is 30306863. The next prime is 30306877. The reversal of 30306873 is 37860303.

It is a happy number.

It is not a de Polignac number, because 30306873 - 2⁹ = 30306361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30306873.

It is not an unprimeable number, because it can be changed into a prime (30306877) 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, 30340 + ... + 31322.

It is an arithmetic number, because the mean of its divisors is an integer number (2597760).

Almost surely, 2^30306873 is an apocalyptic number.

It is an amenable number.

30306873 is a deficient number, since it is larger than the sum of its proper divisors (11257287).

30306873 is a wasteful number, since it uses less digits than its factorization.

30306873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 30306873 is about 5505.1678448527. The cubic root of 30306873 is about 311.7791315678.

The spelling of 30306873 in words is "thirty million, three hundred six thousand, eight hundred seventy-three".