30873117 has 32 divisors (see below), whose sum is σ = 46964736. Its totient is φ = 17870400.

The previous prime is 30873109. The next prime is 30873127. The reversal of 30873117 is 71137803.

It is not a de Polignac number, because 30873117 - 2³ = 30873109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30873127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105223 + ... + 105515.

It is an arithmetic number, because the mean of its divisors is an integer number (1467648).

Almost surely, 2^30873117 is an apocalyptic number.

It is an amenable number.

30873117 is a deficient number, since it is larger than the sum of its proper divisors (16091619).

30873117 is a wasteful number, since it uses less digits than its factorization.

30873117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 30873117 is about 5556.3582497892. The cubic root of 30873117 is about 313.7088901339.

The spelling of 30873117 in words is "thirty million, eight hundred seventy-three thousand, one hundred seventeen".